diff --git a/homeassistant/components/lametric/button.py b/homeassistant/components/lametric/button.py
index 8de7ddb16ff..f6c2b03b02c 100644
--- a/homeassistant/components/lametric/button.py
+++ b/homeassistant/components/lametric/button.py
@@ -48,6 +48,20 @@ BUTTONS = [
         entity_category=EntityCategory.CONFIG,
         press_fn=lambda api: api.app_previous(),
     ),
+    LaMetricButtonEntityDescription(
+        key="dismiss_current",
+        name="Dismiss current notification",
+        icon="mdi:bell-cancel",
+        entity_category=EntityCategory.CONFIG,
+        press_fn=lambda api: api.dismiss_current_notification(),
+    ),
+    LaMetricButtonEntityDescription(
+        key="dismiss_all",
+        name="Dismiss all notifications",
+        icon="mdi:bell-cancel",
+        entity_category=EntityCategory.CONFIG,
+        press_fn=lambda api: api.dismiss_all_notifications(),
+    ),
 ]
 
 
diff --git a/tests/components/lametric/test_button.py b/tests/components/lametric/test_button.py
index d37b6dd1c18..db1f0c57929 100644
--- a/tests/components/lametric/test_button.py
+++ b/tests/components/lametric/test_button.py
@@ -120,6 +120,110 @@ async def test_button_app_previous(
     assert state.state == "2022-09-19T12:07:30+00:00"
 
 
+@pytest.mark.freeze_time("2022-10-19 12:44:00")
+async def test_button_dismiss_current_notification(
+    hass: HomeAssistant,
+    init_integration: MockConfigEntry,
+    mock_lametric: MagicMock,
+) -> None:
+    """Test the LaMetric dismiss current notification button."""
+    device_registry = dr.async_get(hass)
+    entity_registry = er.async_get(hass)
+
+    state = hass.states.get("button.frenck_s_lametric_dismiss_current_notification")
+    assert state
+    assert state.attributes.get(ATTR_ICON) == "mdi:bell-cancel"
+    assert state.state == STATE_UNKNOWN
+
+    entry = entity_registry.async_get(
+        "button.frenck_s_lametric_dismiss_current_notification"
+    )
+    assert entry
+    assert entry.unique_id == "SA110405124500W00BS9-dismiss_current"
+    assert entry.entity_category == EntityCategory.CONFIG
+
+    assert entry.device_id
+    device_entry = device_registry.async_get(entry.device_id)
+    assert device_entry
+    assert device_entry.configuration_url is None
+    assert device_entry.connections == {
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")
+    }
+    assert device_entry.entry_type is None
+    assert device_entry.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
+    assert device_entry.manufacturer == "LaMetric Inc."
+    assert device_entry.model == "LM 37X8"
+    assert device_entry.name == "Frenck's LaMetric"
+    assert device_entry.sw_version == "2.2.2"
+    assert device_entry.hw_version is None
+
+    await hass.services.async_call(
+        BUTTON_DOMAIN,
+        SERVICE_PRESS,
+        {ATTR_ENTITY_ID: "button.frenck_s_lametric_dismiss_current_notification"},
+        blocking=True,
+    )
+
+    assert len(mock_lametric.dismiss_current_notification.mock_calls) == 1
+    mock_lametric.dismiss_current_notification.assert_called_with()
+
+    state = hass.states.get("button.frenck_s_lametric_dismiss_current_notification")
+    assert state
+    assert state.state == "2022-10-19T12:44:00+00:00"
+
+
+@pytest.mark.freeze_time("2022-10-19 12:44:00")
+async def test_button_dismiss_all_notifications(
+    hass: HomeAssistant,
+    init_integration: MockConfigEntry,
+    mock_lametric: MagicMock,
+) -> None:
+    """Test the LaMetric dismiss all notifications button."""
+    device_registry = dr.async_get(hass)
+    entity_registry = er.async_get(hass)
+
+    state = hass.states.get("button.frenck_s_lametric_dismiss_all_notifications")
+    assert state
+    assert state.attributes.get(ATTR_ICON) == "mdi:bell-cancel"
+    assert state.state == STATE_UNKNOWN
+
+    entry = entity_registry.async_get(
+        "button.frenck_s_lametric_dismiss_all_notifications"
+    )
+    assert entry
+    assert entry.unique_id == "SA110405124500W00BS9-dismiss_all"
+    assert entry.entity_category == EntityCategory.CONFIG
+
+    assert entry.device_id
+    device_entry = device_registry.async_get(entry.device_id)
+    assert device_entry
+    assert device_entry.configuration_url is None
+    assert device_entry.connections == {
+        (dr.CONNECTION_NETWORK_MAC, "aa:bb:cc:dd:ee:ff")
+    }
+    assert device_entry.entry_type is None
+    assert device_entry.identifiers == {(DOMAIN, "SA110405124500W00BS9")}
+    assert device_entry.manufacturer == "LaMetric Inc."
+    assert device_entry.model == "LM 37X8"
+    assert device_entry.name == "Frenck's LaMetric"
+    assert device_entry.sw_version == "2.2.2"
+    assert device_entry.hw_version is None
+
+    await hass.services.async_call(
+        BUTTON_DOMAIN,
+        SERVICE_PRESS,
+        {ATTR_ENTITY_ID: "button.frenck_s_lametric_dismiss_all_notifications"},
+        blocking=True,
+    )
+
+    assert len(mock_lametric.dismiss_all_notifications.mock_calls) == 1
+    mock_lametric.dismiss_all_notifications.assert_called_with()
+
+    state = hass.states.get("button.frenck_s_lametric_dismiss_all_notifications")
+    assert state
+    assert state.state == "2022-10-19T12:44:00+00:00"
+
+
 @pytest.mark.freeze_time("2022-10-11 22:00:00")
 async def test_button_error(
     hass: HomeAssistant,