diff --git a/homeassistant/components/ntfy/notify.py b/homeassistant/components/ntfy/notify.py
index 23f923e10052..f0de43f8f9c8 100644
--- a/homeassistant/components/ntfy/notify.py
+++ b/homeassistant/components/ntfy/notify.py
@@ -11,7 +11,7 @@ from aiontfy.exceptions import (
     NtfyUnauthorizedAuthenticationError,
 )
 
-from homeassistant.components import camera, image
+from homeassistant.components import camera, image, tts
 from homeassistant.components.media_source import async_resolve_media
 from homeassistant.components.notify import (
     NotifyEntity,
@@ -99,6 +99,10 @@ class NtfyNotifyEntity(NtfyBaseEntity, NotifyEntity):
             elif media_content_id.startswith("media-source://image/"):
                 entity_id = media_content_id.removeprefix("media-source://image/")
                 attachment = (await image.async_get_image(self.hass, entity_id)).content
+            elif media_content_id.startswith("media-source://tts/"):
+                _, attachment = await tts.async_get_media_source_audio(
+                    self.hass, media_content_id
+                )
             else:
                 media = await async_resolve_media(
                     self.hass, file["media_content_id"], None
diff --git a/homeassistant/components/ntfy/strings.json b/homeassistant/components/ntfy/strings.json
index 69b27e28be64..0882860a327f 100644
--- a/homeassistant/components/ntfy/strings.json
+++ b/homeassistant/components/ntfy/strings.json
@@ -410,7 +410,7 @@
           "name": "Attachment URL"
         },
         "attach_file": {
-          "description": "Attach images or other files by uploading from a local file, camera, or image media source. When selecting a camera entity, a snapshot of the current view will be captured and attached to the notification.",
+          "description": "Attach images or other files by uploading from a local file, camera, text-to-speech, or image media source. When selecting a camera entity, a snapshot of the current view will be captured and attached to the notification.",
           "name": "Attach local file"
         },
         "call": {
diff --git a/tests/components/ntfy/test_services.py b/tests/components/ntfy/test_services.py
index 09eceac06717..632c7ea71baf 100644
--- a/tests/components/ntfy/test_services.py
+++ b/tests/components/ntfy/test_services.py
@@ -399,7 +399,7 @@ async def test_ntfy_publish_upload_media_source_not_supported(
         patch(
             "homeassistant.components.ntfy.notify.async_resolve_media",
             return_value=media_source.PlayMedia(
-                url="/api/tts_proxy/WDyphPCh3sAoO3koDY87ew.mp3",
+                url="https://gameclipscontent-d2009.media.xboxlive.com/123456789",
                 mime_type="audio/mpeg",
                 path=None,
             ),
@@ -415,8 +415,8 @@ async def test_ntfy_publish_upload_media_source_not_supported(
             {
                 ATTR_ENTITY_ID: "notify.mytopic",
                 ATTR_ATTACH_FILE: {
-                    "media_content_id": "media-source://tts/demo?message=Hello+world%21&language=en",
-                    "media_content_type": "audio/mp3",
+                    "media_content_id": "media-source://xbox/123456789/",
+                    "media_content_type": "video/mp4",
                 },
             },
             blocking=True,
@@ -455,6 +455,40 @@ async def test_ntfy_publish_upload_media_image_source(
     mock_aiontfy.publish.assert_called_once_with(Message(topic="mytopic"), b"\x89PNG")
 
 
+@pytest.mark.usefixtures("mock_aiontfy")
+async def test_ntfy_publish_upload_tts_source(
+    hass: HomeAssistant,
+    config_entry: MockConfigEntry,
+    mock_aiontfy: AsyncMock,
+) -> None:
+    """Test publishing ntfy message with tts source."""
+    config_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    assert config_entry.state is ConfigEntryState.LOADED
+    with patch(
+        "homeassistant.components.tts.async_get_media_source_audio",
+        return_value=("mp3", b"Test"),
+    ) as mock_get_media_source_audio:
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_PUBLISH,
+            {
+                ATTR_ENTITY_ID: "notify.mytopic",
+                ATTR_ATTACH_FILE: {
+                    "media_content_id": "media-source://tts/demo?message=Test&language=en",
+                    "media_content_type": "audio/mp3",
+                },
+            },
+            blocking=True,
+        )
+    mock_get_media_source_audio.assert_called_once_with(
+        hass, "media-source://tts/demo?message=Test&language=en"
+    )
+    mock_aiontfy.publish.assert_called_once_with(Message(topic="mytopic"), b"Test")
+
+
 async def test_ntfy_clear(
     hass: HomeAssistant,
     config_entry: MockConfigEntry,