diff --git a/homeassistant/components/nest/legacy/local_auth.py b/homeassistant/components/nest/legacy/local_auth.py
index f5fb286df7e..6c7f1043093 100644
--- a/homeassistant/components/nest/legacy/local_auth.py
+++ b/homeassistant/components/nest/legacy/local_auth.py
@@ -1,10 +1,10 @@
 """Local Nest authentication for the legacy api."""
 import asyncio
 from functools import partial
+from http import HTTPStatus
 
 from nest.nest import AUTHORIZE_URL, AuthorizationError, NestAuth
 
-from homeassistant.const import HTTP_UNAUTHORIZED
 from homeassistant.core import callback
 
 from ..config_flow import CodeInvalid, NestAuthError, register_flow_implementation
@@ -43,7 +43,7 @@ async def resolve_auth_code(hass, client_id, client_secret, code):
         await hass.async_add_executor_job(auth.login)
         return await result
     except AuthorizationError as err:
-        if err.response.status_code == HTTP_UNAUTHORIZED:
+        if err.response.status_code == HTTPStatus.UNAUTHORIZED:
             raise CodeInvalid() from err
         raise NestAuthError(
             f"Unknown error: {err} ({err.response.status_code})"
diff --git a/homeassistant/components/nexia/util.py b/homeassistant/components/nexia/util.py
index 74272a3c7fd..03dd52f7f02 100644
--- a/homeassistant/components/nexia/util.py
+++ b/homeassistant/components/nexia/util.py
@@ -1,11 +1,11 @@
 """Utils for Nexia / Trane XL Thermostats."""
 
-from homeassistant.const import HTTP_FORBIDDEN, HTTP_UNAUTHORIZED
+from http import HTTPStatus
 
 
 def is_invalid_auth_code(http_status_code):
     """HTTP status codes that mean invalid auth."""
-    if http_status_code in (HTTP_UNAUTHORIZED, HTTP_FORBIDDEN):
+    if http_status_code in (HTTPStatus.UNAUTHORIZED, HTTPStatus.FORBIDDEN):
         return True
 
     return False
diff --git a/homeassistant/components/nissan_leaf/__init__.py b/homeassistant/components/nissan_leaf/__init__.py
index a0a39542a20..44727ebccdd 100644
--- a/homeassistant/components/nissan_leaf/__init__.py
+++ b/homeassistant/components/nissan_leaf/__init__.py
@@ -1,13 +1,14 @@
 """Support for the Nissan Leaf Carwings/Nissan Connect API."""
 import asyncio
 from datetime import datetime, timedelta
+from http import HTTPStatus
 import logging
 import sys
 
 from pycarwings2 import CarwingsError, Session
 import voluptuous as vol
 
-from homeassistant.const import CONF_PASSWORD, CONF_REGION, CONF_USERNAME, HTTP_OK
+from homeassistant.const import CONF_PASSWORD, CONF_REGION, CONF_USERNAME
 from homeassistant.core import callback
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.discovery import load_platform
@@ -293,7 +294,7 @@ class LeafDataStore:
         if server_response is not None:
             _LOGGER.debug("Server Response: %s", server_response.__dict__)
 
-            if server_response.answer["status"] == HTTP_OK:
+            if server_response.answer["status"] == HTTPStatus.OK:
                 self.data[DATA_BATTERY] = server_response.battery_percent
 
                 # pycarwings2 library doesn't always provide cruising rnages
diff --git a/homeassistant/components/nuheat/__init__.py b/homeassistant/components/nuheat/__init__.py
index fee23ac496c..60dc0a5d9e2 100644
--- a/homeassistant/components/nuheat/__init__.py
+++ b/homeassistant/components/nuheat/__init__.py
@@ -1,17 +1,13 @@
 """Support for NuHeat thermostats."""
 from datetime import timedelta
+from http import HTTPStatus
 import logging
 
 import nuheat
 import requests
 
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import (
-    CONF_PASSWORD,
-    CONF_USERNAME,
-    HTTP_BAD_REQUEST,
-    HTTP_INTERNAL_SERVER_ERROR,
-)
+from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryNotReady
 from homeassistant.helpers import config_validation as cv
@@ -49,8 +45,8 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         raise ConfigEntryNotReady from ex
     except requests.exceptions.HTTPError as ex:
         if (
-            ex.response.status_code > HTTP_BAD_REQUEST
-            and ex.response.status_code < HTTP_INTERNAL_SERVER_ERROR
+            ex.response.status_code > HTTPStatus.BAD_REQUEST
+            and ex.response.status_code < HTTPStatus.INTERNAL_SERVER_ERROR
         ):
             _LOGGER.error("Failed to login to nuheat: %s", ex)
             return False
diff --git a/homeassistant/components/nuheat/config_flow.py b/homeassistant/components/nuheat/config_flow.py
index e47f3c8eb6e..0959466244d 100644
--- a/homeassistant/components/nuheat/config_flow.py
+++ b/homeassistant/components/nuheat/config_flow.py
@@ -1,4 +1,5 @@
 """Config flow for NuHeat integration."""
+from http import HTTPStatus
 import logging
 
 import nuheat
@@ -6,12 +7,7 @@ import requests.exceptions
 import voluptuous as vol
 
 from homeassistant import config_entries, core, exceptions
-from homeassistant.const import (
-    CONF_PASSWORD,
-    CONF_USERNAME,
-    HTTP_BAD_REQUEST,
-    HTTP_INTERNAL_SERVER_ERROR,
-)
+from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 
 from .const import CONF_SERIAL_NUMBER, DOMAIN
 
@@ -39,8 +35,8 @@ async def validate_input(hass: core.HomeAssistant, data):
         raise CannotConnect from ex
     except requests.exceptions.HTTPError as ex:
         if (
-            ex.response.status_code > HTTP_BAD_REQUEST
-            and ex.response.status_code < HTTP_INTERNAL_SERVER_ERROR
+            ex.response.status_code > HTTPStatus.BAD_REQUEST
+            and ex.response.status_code < HTTPStatus.INTERNAL_SERVER_ERROR
         ):
             raise InvalidAuth from ex
         raise CannotConnect from ex
diff --git a/homeassistant/components/openalpr_cloud/image_processing.py b/homeassistant/components/openalpr_cloud/image_processing.py
index bc33832bba1..dedf242e0c7 100644
--- a/homeassistant/components/openalpr_cloud/image_processing.py
+++ b/homeassistant/components/openalpr_cloud/image_processing.py
@@ -1,6 +1,7 @@
 """Component that will help set the OpenALPR cloud for ALPR processing."""
 import asyncio
 from base64 import b64encode
+from http import HTTPStatus
 import logging
 
 import aiohttp
@@ -17,7 +18,7 @@ from homeassistant.components.image_processing import (
 from homeassistant.components.openalpr_local.image_processing import (
     ImageProcessingAlprEntity,
 )
-from homeassistant.const import CONF_API_KEY, CONF_REGION, HTTP_OK
+from homeassistant.const import CONF_API_KEY, CONF_REGION
 from homeassistant.core import split_entity_id
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
@@ -119,7 +120,7 @@ class OpenAlprCloudEntity(ImageProcessingAlprEntity):
 
                 data = await request.json()
 
-                if request.status != HTTP_OK:
+                if request.status != HTTPStatus.OK:
                     _LOGGER.error("Error %d -> %s", request.status, data.get("error"))
                     return
 
diff --git a/homeassistant/components/openexchangerates/sensor.py b/homeassistant/components/openexchangerates/sensor.py
index 803123a88c3..8c37346ebee 100644
--- a/homeassistant/components/openexchangerates/sensor.py
+++ b/homeassistant/components/openexchangerates/sensor.py
@@ -1,5 +1,6 @@
 """Support for openexchangerates.org exchange rates service."""
 from datetime import timedelta
+from http import HTTPStatus
 import logging
 
 import requests
@@ -12,7 +13,6 @@ from homeassistant.const import (
     CONF_BASE,
     CONF_NAME,
     CONF_QUOTE,
-    HTTP_OK,
 )
 import homeassistant.helpers.config_validation as cv
 from homeassistant.util import Throttle
@@ -49,7 +49,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
     rest = OpenexchangeratesData(_RESOURCE, parameters, quote)
     response = requests.get(_RESOURCE, params=parameters, timeout=10)
 
-    if response.status_code != HTTP_OK:
+    if response.status_code != HTTPStatus.OK:
         _LOGGER.error("Check your OpenExchangeRates API key")
         return False
 
diff --git a/homeassistant/components/prowl/notify.py b/homeassistant/components/prowl/notify.py
index 802679ab03d..91dd8eca5ca 100644
--- a/homeassistant/components/prowl/notify.py
+++ b/homeassistant/components/prowl/notify.py
@@ -1,5 +1,6 @@
 """Prowl notification service."""
 import asyncio
+from http import HTTPStatus
 import logging
 
 import async_timeout
@@ -12,7 +13,7 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
-from homeassistant.const import CONF_API_KEY, HTTP_OK
+from homeassistant.const import CONF_API_KEY
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 
@@ -59,7 +60,7 @@ class ProwlNotificationService(BaseNotificationService):
                 response = await session.post(url, data=payload)
                 result = await response.text()
 
-            if response.status != HTTP_OK or "error" in result:
+            if response.status != HTTPStatus.OK or "error" in result:
                 _LOGGER.error(
                     "Prowl service returned http status %d, response %s",
                     response.status,
diff --git a/homeassistant/components/pushsafer/notify.py b/homeassistant/components/pushsafer/notify.py
index 3337af0f8b0..521c1b2929a 100644
--- a/homeassistant/components/pushsafer/notify.py
+++ b/homeassistant/components/pushsafer/notify.py
@@ -1,5 +1,6 @@
 """Pushsafer platform for notify component."""
 import base64
+from http import HTTPStatus
 import logging
 import mimetypes
 
@@ -15,7 +16,7 @@ from homeassistant.components.notify import (
     PLATFORM_SCHEMA,
     BaseNotificationService,
 )
-from homeassistant.const import ATTR_ICON, HTTP_OK
+from homeassistant.const import ATTR_ICON
 import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
@@ -118,7 +119,7 @@ class PushsaferNotificationService(BaseNotificationService):
         for target in targets:
             payload["d"] = target
             response = requests.post(_RESOURCE, data=payload, timeout=CONF_TIMEOUT)
-            if response.status_code != HTTP_OK:
+            if response.status_code != HTTPStatus.OK:
                 _LOGGER.error("Pushsafer failed with: %s", response.text)
             else:
                 _LOGGER.debug("Push send: %s", response.json())
diff --git a/tests/components/nest/test_camera_sdm.py b/tests/components/nest/test_camera_sdm.py
index 3cab5eea171..b7637bf3e2e 100644
--- a/tests/components/nest/test_camera_sdm.py
+++ b/tests/components/nest/test_camera_sdm.py
@@ -6,6 +6,7 @@ pubsub subscriber.
 """
 
 import datetime
+from http import HTTPStatus
 from unittest.mock import patch
 
 import aiohttp
@@ -237,7 +238,7 @@ async def test_camera_ws_stream(hass, auth, hass_ws_client):
 
 async def test_camera_ws_stream_failure(hass, auth, hass_ws_client):
     """Test a basic camera that supports web rtc."""
-    auth.responses = [aiohttp.web.Response(status=400)]
+    auth.responses = [aiohttp.web.Response(status=HTTPStatus.BAD_REQUEST)]
     await async_setup_camera(hass, DEVICE_TRAITS, auth=auth)
 
     assert len(hass.states.async_all()) == 1
@@ -438,7 +439,7 @@ async def test_refresh_expired_stream_failure(hass, auth):
     auth.responses = [
         make_stream_url_response(expiration=stream_1_expiration, token_num=1),
         # Extending the stream fails with arbitrary error
-        aiohttp.web.Response(status=500),
+        aiohttp.web.Response(status=HTTPStatus.INTERNAL_SERVER_ERROR),
         # Next attempt to get a stream fetches a new url
         make_stream_url_response(expiration=stream_2_expiration, token_num=2),
     ]
@@ -544,7 +545,7 @@ async def test_generate_event_image_url_failure(hass, auth):
 
     auth.responses = [
         # Fail to generate the image url
-        aiohttp.web.Response(status=500),
+        aiohttp.web.Response(status=HTTPStatus.INTERNAL_SERVER_ERROR),
         # Camera fetches a stream url as a fallback
         make_stream_url_response(),
     ]
@@ -566,7 +567,7 @@ async def test_fetch_event_image_failure(hass, auth):
         # Fake response from API that returns url image
         aiohttp.web.json_response(GENERATE_IMAGE_URL_RESPONSE),
         # Fail to download the image
-        aiohttp.web.Response(status=500),
+        aiohttp.web.Response(status=HTTPStatus.INTERNAL_SERVER_ERROR),
         # Camera fetches a stream url as a fallback
         make_stream_url_response(),
     ]
@@ -756,7 +757,7 @@ async def test_camera_web_rtc_unsupported(hass, auth, hass_ws_client):
 async def test_camera_web_rtc_offer_failure(hass, auth, hass_ws_client):
     """Test a basic camera that supports web rtc."""
     auth.responses = [
-        aiohttp.web.Response(status=400),
+        aiohttp.web.Response(status=HTTPStatus.BAD_REQUEST),
     ]
     device_traits = {
         "sdm.devices.traits.Info": {
diff --git a/tests/components/nexia/test_util.py b/tests/components/nexia/test_util.py
index 0820c7caf0c..9982970055d 100644
--- a/tests/components/nexia/test_util.py
+++ b/tests/components/nexia/test_util.py
@@ -1,16 +1,16 @@
 """The sensor tests for the nexia platform."""
 
+from http import HTTPStatus
 
 from homeassistant.components.nexia import util
-from homeassistant.const import HTTP_FORBIDDEN, HTTP_NOT_FOUND, HTTP_UNAUTHORIZED
 
 
 async def test_is_invalid_auth_code():
     """Test for invalid auth."""
 
-    assert util.is_invalid_auth_code(HTTP_UNAUTHORIZED) is True
-    assert util.is_invalid_auth_code(HTTP_FORBIDDEN) is True
-    assert util.is_invalid_auth_code(HTTP_NOT_FOUND) is False
+    assert util.is_invalid_auth_code(HTTPStatus.UNAUTHORIZED) is True
+    assert util.is_invalid_auth_code(HTTPStatus.FORBIDDEN) is True
+    assert util.is_invalid_auth_code(HTTPStatus.NOT_FOUND) is False
 
 
 async def test_percent_conv():
diff --git a/tests/components/nightscout/test_config_flow.py b/tests/components/nightscout/test_config_flow.py
index 61f064a3e29..d7a54ba28fb 100644
--- a/tests/components/nightscout/test_config_flow.py
+++ b/tests/components/nightscout/test_config_flow.py
@@ -1,4 +1,5 @@
 """Test the Nightscout config flow."""
+from http import HTTPStatus
 from unittest.mock import patch
 
 from aiohttp import ClientConnectionError, ClientResponseError
@@ -70,7 +71,7 @@ async def test_user_form_api_key_required(hass):
         return_value=SERVER_STATUS_STATUS_ONLY,
     ), patch(
         "homeassistant.components.nightscout.NightscoutAPI.get_sgvs",
-        side_effect=ClientResponseError(None, None, status=401),
+        side_effect=ClientResponseError(None, None, status=HTTPStatus.UNAUTHORIZED),
     ):
         result2 = await hass.config_entries.flow.async_configure(
             result["flow_id"],
diff --git a/tests/components/nuheat/test_config_flow.py b/tests/components/nuheat/test_config_flow.py
index b89147a0024..70a9a749657 100644
--- a/tests/components/nuheat/test_config_flow.py
+++ b/tests/components/nuheat/test_config_flow.py
@@ -1,11 +1,12 @@
 """Test the NuHeat config flow."""
+from http import HTTPStatus
 from unittest.mock import MagicMock, patch
 
 import requests
 
 from homeassistant import config_entries
 from homeassistant.components.nuheat.const import CONF_SERIAL_NUMBER, DOMAIN
-from homeassistant.const import CONF_PASSWORD, CONF_USERNAME, HTTP_INTERNAL_SERVER_ERROR
+from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 
 from .mocks import _get_mock_thermostat_run
 
@@ -98,7 +99,7 @@ async def test_form_invalid_thermostat(hass):
     )
 
     response_mock = MagicMock()
-    type(response_mock).status_code = HTTP_INTERNAL_SERVER_ERROR
+    type(response_mock).status_code = HTTPStatus.INTERNAL_SERVER_ERROR
 
     with patch(
         "homeassistant.components.nuheat.config_flow.nuheat.NuHeat.authenticate",
diff --git a/tests/components/onboarding/test_views.py b/tests/components/onboarding/test_views.py
index 582ad5a436b..45fe9a19546 100644
--- a/tests/components/onboarding/test_views.py
+++ b/tests/components/onboarding/test_views.py
@@ -1,5 +1,6 @@
 """Test the onboarding views."""
 import asyncio
+from http import HTTPStatus
 import os
 from unittest.mock import patch
 
@@ -7,7 +8,6 @@ import pytest
 
 from homeassistant.components import onboarding
 from homeassistant.components.onboarding import const, views
-from homeassistant.const import HTTP_FORBIDDEN
 from homeassistant.helpers import area_registry as ar
 from homeassistant.setup import async_setup_component
 
@@ -130,7 +130,7 @@ async def test_onboarding_user_already_done(hass, hass_storage, hass_client_no_a
         },
     )
 
-    assert resp.status == HTTP_FORBIDDEN
+    assert resp.status == HTTPStatus.FORBIDDEN
 
 
 async def test_onboarding_user(hass, hass_storage, hass_client_no_auth):
@@ -247,7 +247,7 @@ async def test_onboarding_user_race(hass, hass_storage, hass_client_no_auth):
 
     res1, res2 = await asyncio.gather(resp1, resp2)
 
-    assert sorted([res1.status, res2.status]) == [200, HTTP_FORBIDDEN]
+    assert sorted([res1.status, res2.status]) == [HTTPStatus.OK, HTTPStatus.FORBIDDEN]
 
 
 async def test_onboarding_integration(hass, hass_storage, hass_client, hass_admin_user):
diff --git a/tests/components/plex/test_browse_media.py b/tests/components/plex/test_browse_media.py
index d4ea73f6a97..5bbd29f35c0 100644
--- a/tests/components/plex/test_browse_media.py
+++ b/tests/components/plex/test_browse_media.py
@@ -1,4 +1,5 @@
 """Tests for Plex media browser."""
+from http import HTTPStatus
 from unittest.mock import patch
 
 from homeassistant.components.media_player.const import (
@@ -359,7 +360,8 @@ async def test_browse_media(
     # Browse into a non-existent TV season
     unknown_key = 99999999999999
     requests_mock.get(
-        f"{mock_plex_server.url_in_use}/library/metadata/{unknown_key}", status_code=404
+        f"{mock_plex_server.url_in_use}/library/metadata/{unknown_key}",
+        status_code=HTTPStatus.NOT_FOUND,
     )
 
     msg_id += 1
diff --git a/tests/components/plex/test_config_flow.py b/tests/components/plex/test_config_flow.py
index 1760a498a6f..c18d38fdba1 100644
--- a/tests/components/plex/test_config_flow.py
+++ b/tests/components/plex/test_config_flow.py
@@ -1,5 +1,6 @@
 """Tests for Plex config flow."""
 import copy
+from http import HTTPStatus
 import ssl
 from unittest.mock import patch
 
@@ -528,7 +529,7 @@ async def test_callback_view(hass, hass_client_no_auth, current_request_with_hos
         forward_url = f'{config_flow.AUTH_CALLBACK_PATH}?flow_id={result["flow_id"]}'
 
         resp = await client.get(forward_url)
-        assert resp.status == 200
+        assert resp.status == HTTPStatus.OK
 
 
 async def test_manual_config(hass, mock_plex_calls, current_request_with_host):
diff --git a/tests/components/plex/test_init.py b/tests/components/plex/test_init.py
index c9bcce0ac83..fced4bae58a 100644
--- a/tests/components/plex/test_init.py
+++ b/tests/components/plex/test_init.py
@@ -1,6 +1,7 @@
 """Tests for Plex setup."""
 import copy
 from datetime import timedelta
+from http import HTTPStatus
 import ssl
 from unittest.mock import patch
 
@@ -212,7 +213,9 @@ async def test_setup_when_certificate_changed(
     requests_mock.get(old_url, exc=WrongCertHostnameException)
 
     # Test with account failure
-    requests_mock.get("https://plex.tv/users/account", status_code=401)
+    requests_mock.get(
+        "https://plex.tv/users/account", status_code=HTTPStatus.UNAUTHORIZED
+    )
     old_entry.add_to_hass(hass)
     assert await hass.config_entries.async_setup(old_entry.entry_id) is False
     await hass.async_block_till_done()
@@ -262,7 +265,9 @@ async def test_bad_token_with_tokenless_server(
     hass, entry, mock_websocket, setup_plex_server, requests_mock
 ):
     """Test setup with a bad token and a server with token auth disabled."""
-    requests_mock.get("https://plex.tv/users/account", status_code=401)
+    requests_mock.get(
+        "https://plex.tv/users/account", status_code=HTTPStatus.UNAUTHORIZED
+    )
 
     await setup_plex_server()
 
diff --git a/tests/components/plex/test_playback.py b/tests/components/plex/test_playback.py
index 86e55dab613..7ab0fc0f434 100644
--- a/tests/components/plex/test_playback.py
+++ b/tests/components/plex/test_playback.py
@@ -1,4 +1,5 @@
 """Tests for Plex player playback methods/services."""
+from http import HTTPStatus
 from unittest.mock import patch
 
 from homeassistant.components.media_player.const import (
@@ -23,7 +24,7 @@ async def test_media_player_playback(
 
     media_player = "media_player.plex_plex_web_chrome"
     requests_mock.post("/playqueues", text=playqueue_created)
-    requests_mock.get("/player/playback/playMedia", status_code=200)
+    requests_mock.get("/player/playback/playMedia", status_code=HTTPStatus.OK)
 
     # Test movie success
     assert await hass.services.async_call(
@@ -111,7 +112,7 @@ async def test_media_player_playback(
     )
 
     # Test media lookup failure by key
-    requests_mock.get("/library/metadata/999", status_code=404)
+    requests_mock.get("/library/metadata/999", status_code=HTTPStatus.NOT_FOUND)
     assert await hass.services.async_call(
         MP_DOMAIN,
         SERVICE_PLAY_MEDIA,
diff --git a/tests/components/plex/test_sensor.py b/tests/components/plex/test_sensor.py
index 0e87f25850f..c07693cf073 100644
--- a/tests/components/plex/test_sensor.py
+++ b/tests/components/plex/test_sensor.py
@@ -1,5 +1,6 @@
 """Tests for Plex sensors."""
 from datetime import datetime, timedelta
+from http import HTTPStatus
 from unittest.mock import patch
 
 import requests.exceptions
@@ -165,7 +166,8 @@ async def test_library_sensor_values(
 
     # Handle library deletion
     requests_mock.get(
-        "/library/sections/2/all?includeCollections=0&type=2", status_code=404
+        "/library/sections/2/all?includeCollections=0&type=2",
+        status_code=HTTPStatus.NOT_FOUND,
     )
     trigger_plex_update(
         mock_websocket, msgtype="status", payload=LIBRARY_UPDATE_PAYLOAD
diff --git a/tests/components/plex/test_server.py b/tests/components/plex/test_server.py
index f9b34088601..5a8a9869f59 100644
--- a/tests/components/plex/test_server.py
+++ b/tests/components/plex/test_server.py
@@ -1,5 +1,6 @@
 """Tests for Plex server."""
 import copy
+from http import HTTPStatus
 from unittest.mock import patch
 
 from plexapi.exceptions import BadRequest, NotFound
@@ -188,7 +189,7 @@ async def test_media_lookups(hass, mock_plex_server, requests_mock, playqueue_cr
     # Plex Key searches
     media_player_id = hass.states.async_entity_ids("media_player")[0]
     requests_mock.post("/playqueues", text=playqueue_created)
-    requests_mock.get("/player/playback/playMedia", status_code=200)
+    requests_mock.get("/player/playback/playMedia", status_code=HTTPStatus.OK)
     assert await hass.services.async_call(
         MP_DOMAIN,
         SERVICE_PLAY_MEDIA,
diff --git a/tests/components/plex/test_services.py b/tests/components/plex/test_services.py
index cf8bc63c5da..7ad7b033caa 100644
--- a/tests/components/plex/test_services.py
+++ b/tests/components/plex/test_services.py
@@ -1,4 +1,5 @@
 """Tests for various Plex services."""
+from http import HTTPStatus
 from unittest.mock import patch
 
 from plexapi.exceptions import NotFound
@@ -33,7 +34,9 @@ async def test_refresh_library(
 ):
     """Test refresh_library service call."""
     url = mock_plex_server.url_in_use
-    refresh = requests_mock.get(f"{url}/library/sections/1/refresh", status_code=200)
+    refresh = requests_mock.get(
+        f"{url}/library/sections/1/refresh", status_code=HTTPStatus.OK
+    )
 
     # Test with non-existent server
     with pytest.raises(HomeAssistantError):
@@ -126,7 +129,9 @@ async def test_sonos_play_media(
 
     requests_mock.get("https://plex.tv/users/account", text=plextv_account)
     requests_mock.post("/playqueues", text=playqueue_created)
-    playback_mock = requests_mock.get("/player/playback/playMedia", status_code=200)
+    playback_mock = requests_mock.get(
+        "/player/playback/playMedia", status_code=HTTPStatus.OK
+    )
 
     # Test with no Plex integration available
     with pytest.raises(HomeAssistantError) as excinfo:
@@ -187,7 +192,9 @@ async def test_sonos_play_media(
     assert playback_mock.call_count == 4
 
     # Test with speakers available and invalid playqueue
-    requests_mock.get("https://1.2.3.4:32400/playQueues/1235", status_code=404)
+    requests_mock.get(
+        "https://1.2.3.4:32400/playQueues/1235", status_code=HTTPStatus.NOT_FOUND
+    )
     content_id_with_playqueue = '{"playqueue_id": 1235}'
     with pytest.raises(HomeAssistantError) as excinfo:
         play_on_sonos(
diff --git a/tests/components/plugwise/conftest.py b/tests/components/plugwise/conftest.py
index 615cfc55eeb..06f9b56e689 100644
--- a/tests/components/plugwise/conftest.py
+++ b/tests/components/plugwise/conftest.py
@@ -1,6 +1,7 @@
 """Setup mocks for the Plugwise integration tests."""
 
 from functools import partial
+from http import HTTPStatus
 import re
 from unittest.mock import AsyncMock, Mock, patch
 
@@ -38,15 +39,15 @@ def mock_smile():
 @pytest.fixture(name="mock_smile_unauth")
 def mock_smile_unauth(aioclient_mock: AiohttpClientMocker) -> None:
     """Mock the Plugwise Smile unauthorized for Home Assistant."""
-    aioclient_mock.get(re.compile(".*"), status=401)
-    aioclient_mock.put(re.compile(".*"), status=401)
+    aioclient_mock.get(re.compile(".*"), status=HTTPStatus.UNAUTHORIZED)
+    aioclient_mock.put(re.compile(".*"), status=HTTPStatus.UNAUTHORIZED)
 
 
 @pytest.fixture(name="mock_smile_error")
 def mock_smile_error(aioclient_mock: AiohttpClientMocker) -> None:
     """Mock the Plugwise Smile server failure for Home Assistant."""
-    aioclient_mock.get(re.compile(".*"), status=500)
-    aioclient_mock.put(re.compile(".*"), status=500)
+    aioclient_mock.get(re.compile(".*"), status=HTTPStatus.INTERNAL_SERVER_ERROR)
+    aioclient_mock.put(re.compile(".*"), status=HTTPStatus.INTERNAL_SERVER_ERROR)
 
 
 @pytest.fixture(name="mock_smile_notconnect")
diff --git a/tests/components/prometheus/test_init.py b/tests/components/prometheus/test_init.py
index 6f89c91a245..827190a4b41 100644
--- a/tests/components/prometheus/test_init.py
+++ b/tests/components/prometheus/test_init.py
@@ -1,6 +1,7 @@
 """The tests for the Prometheus exporter."""
 from dataclasses import dataclass
 import datetime
+from http import HTTPStatus
 import unittest.mock as mock
 
 import pytest
@@ -106,7 +107,7 @@ async def test_view_empty_namespace(hass, hass_client):
     client = await prometheus_client(hass, hass_client, "")
     resp = await client.get(prometheus.API_ENDPOINT)
 
-    assert resp.status == 200
+    assert resp.status == HTTPStatus.OK
     assert resp.headers["content-type"] == CONTENT_TYPE_TEXT_PLAIN
     body = await resp.text()
     body = body.split("\n")
@@ -234,7 +235,7 @@ async def test_view_default_namespace(hass, hass_client):
     client = await prometheus_client(hass, hass_client, None)
     resp = await client.get(prometheus.API_ENDPOINT)
 
-    assert resp.status == 200
+    assert resp.status == HTTPStatus.OK
     assert resp.headers["content-type"] == CONTENT_TYPE_TEXT_PLAIN
     body = await resp.text()
     body = body.split("\n")
diff --git a/tests/components/push/test_camera.py b/tests/components/push/test_camera.py
index d4759350341..5a1d784be67 100644
--- a/tests/components/push/test_camera.py
+++ b/tests/components/push/test_camera.py
@@ -1,5 +1,6 @@
 """The tests for generic camera component."""
 from datetime import timedelta
+from http import HTTPStatus
 import io
 
 from homeassistant.config import async_process_ha_core_config
@@ -34,7 +35,7 @@ async def test_bad_posting(hass, hass_client_no_auth):
 
     # missing file
     async with client.post("/api/webhook/camera.config_test") as resp:
-        assert resp.status == 200  # webhooks always return 200
+        assert resp.status == HTTPStatus.OK  # webhooks always return OK
 
     camera_state = hass.states.get("camera.config_test")
     assert camera_state.state == "idle"  # no file supplied we are still idle
@@ -69,7 +70,7 @@ async def test_posting_url(hass, hass_client_no_auth):
 
     # post image
     resp = await client.post("/api/webhook/camera.config_test", data=files)
-    assert resp.status == 200
+    assert resp.status == HTTPStatus.OK
 
     # state recording
     camera_state = hass.states.get("camera.config_test")
diff --git a/tests/components/pushbullet/test_notify.py b/tests/components/pushbullet/test_notify.py
index 3eec106019c..6e1de0b9824 100644
--- a/tests/components/pushbullet/test_notify.py
+++ b/tests/components/pushbullet/test_notify.py
@@ -1,4 +1,5 @@
 """The tests for the pushbullet notification platform."""
+from http import HTTPStatus
 import json
 from unittest.mock import patch
 
@@ -62,7 +63,7 @@ async def test_pushbullet_push_default(hass, requests_mock, mock_pushbullet):
     requests_mock.register_uri(
         "POST",
         "https://api.pushbullet.com/v2/pushes",
-        status_code=200,
+        status_code=HTTPStatus.OK,
         json={"mock_response": "Ok"},
     )
     data = {"title": "Test Title", "message": "Test Message"}
@@ -91,7 +92,7 @@ async def test_pushbullet_push_device(hass, requests_mock, mock_pushbullet):
     requests_mock.register_uri(
         "POST",
         "https://api.pushbullet.com/v2/pushes",
-        status_code=200,
+        status_code=HTTPStatus.OK,
         json={"mock_response": "Ok"},
     )
     data = {
@@ -129,7 +130,7 @@ async def test_pushbullet_push_devices(hass, requests_mock, mock_pushbullet):
     requests_mock.register_uri(
         "POST",
         "https://api.pushbullet.com/v2/pushes",
-        status_code=200,
+        status_code=HTTPStatus.OK,
         json={"mock_response": "Ok"},
     )
     data = {
@@ -175,7 +176,7 @@ async def test_pushbullet_push_email(hass, requests_mock, mock_pushbullet):
     requests_mock.register_uri(
         "POST",
         "https://api.pushbullet.com/v2/pushes",
-        status_code=200,
+        status_code=HTTPStatus.OK,
         json={"mock_response": "Ok"},
     )
     data = {
@@ -214,7 +215,7 @@ async def test_pushbullet_push_mixed(hass, requests_mock, mock_pushbullet):
     requests_mock.register_uri(
         "POST",
         "https://api.pushbullet.com/v2/pushes",
-        status_code=200,
+        status_code=HTTPStatus.OK,
         json={"mock_response": "Ok"},
     )
     data = {
@@ -260,7 +261,7 @@ async def test_pushbullet_push_no_file(hass, requests_mock, mock_pushbullet):
     requests_mock.register_uri(
         "POST",
         "https://api.pushbullet.com/v2/pushes",
-        status_code=200,
+        status_code=HTTPStatus.OK,
         json={"mock_response": "Ok"},
     )
     data = {