diff --git a/homeassistant/components/cloud/strings.json b/homeassistant/components/cloud/strings.json
index 6f1e3c80bf7..4bef2ac9ba3 100644
--- a/homeassistant/components/cloud/strings.json
+++ b/homeassistant/components/cloud/strings.json
@@ -24,6 +24,10 @@
     }
   },
   "issues": {
+    "deprecated_tts_platform_config": {
+      "title": "The Cloud text-to-speech platform configuration is deprecated",
+      "description": "The whole `platform: cloud` entry under the `tts:` section in configuration.yaml is deprecated and should be removed. You can use the UI to change settings for the Cloud text-to-speech platform. Please adjust your configuration.yaml and restart Home Assistant to fix this issue."
+    },
     "deprecated_voice": {
       "title": "A deprecated voice was used",
       "fix_flow": {
diff --git a/homeassistant/components/cloud/tts.py b/homeassistant/components/cloud/tts.py
index ba34ac7a9b0..59ae5b22214 100644
--- a/homeassistant/components/cloud/tts.py
+++ b/homeassistant/components/cloud/tts.py
@@ -20,8 +20,9 @@ from homeassistant.components.tts import (
     Voice,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import Platform
-from homeassistant.core import HomeAssistant, callback
+from homeassistant.const import CONF_PLATFORM, Platform
+from homeassistant.core import HomeAssistant, async_get_hass, callback
+import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
@@ -39,6 +40,27 @@ SUPPORT_LANGUAGES = list(TTS_VOICES)
 _LOGGER = logging.getLogger(__name__)
 
 
+def _deprecated_platform(value: str) -> str:
+    """Validate if platform is deprecated."""
+    if value == DOMAIN:
+        _LOGGER.warning(
+            "The cloud tts platform configuration is deprecated, "
+            "please remove it from your configuration "
+            "and use the UI to change settings instead"
+        )
+        hass = async_get_hass()
+        async_create_issue(
+            hass,
+            DOMAIN,
+            "deprecated_tts_platform_config",
+            breaks_in_ha_version="2024.9.0",
+            is_fixable=False,
+            severity=IssueSeverity.WARNING,
+            translation_key="deprecated_tts_platform_config",
+        )
+    return value
+
+
 def validate_lang(value: dict[str, Any]) -> dict[str, Any]:
     """Validate chosen gender or language."""
     if (lang := value.get(CONF_LANG)) is None:
@@ -58,6 +80,7 @@ def validate_lang(value: dict[str, Any]) -> dict[str, Any]:
 PLATFORM_SCHEMA = vol.All(
     TTS_PLATFORM_SCHEMA.extend(
         {
+            vol.Required(CONF_PLATFORM): vol.All(cv.string, _deprecated_platform),
             vol.Optional(CONF_LANG): str,
             vol.Optional(ATTR_GENDER): str,
         }
diff --git a/tests/components/cloud/test_tts.py b/tests/components/cloud/test_tts.py
index 92a9cb10992..db43c40b69a 100644
--- a/tests/components/cloud/test_tts.py
+++ b/tests/components/cloud/test_tts.py
@@ -122,6 +122,26 @@ async def test_prefs_default_voice(
     assert engine.default_options == {"gender": "male", "audio_output": "mp3"}
 
 
+async def test_deprecated_platform_config(
+    hass: HomeAssistant,
+    issue_registry: IssueRegistry,
+    cloud: MagicMock,
+) -> None:
+    """Test cloud provider uses the preferences."""
+    assert await async_setup_component(
+        hass, TTS_DOMAIN, {TTS_DOMAIN: {"platform": DOMAIN}}
+    )
+    await hass.async_block_till_done()
+
+    issue = issue_registry.async_get_issue(DOMAIN, "deprecated_tts_platform_config")
+    assert issue is not None
+    assert issue.breaks_in_ha_version == "2024.9.0"
+    assert issue.is_fixable is False
+    assert issue.is_persistent is False
+    assert issue.severity == IssueSeverity.WARNING
+    assert issue.translation_key == "deprecated_tts_platform_config"
+
+
 @pytest.mark.parametrize(
     "engine_id",
     [