diff --git a/homeassistant/components/twitch/coordinator.py b/homeassistant/components/twitch/coordinator.py
index 5788df7df13..b8d19750778 100644
--- a/homeassistant/components/twitch/coordinator.py
+++ b/homeassistant/components/twitch/coordinator.py
@@ -38,6 +38,7 @@ class TwitchUpdate:
     subscription_gifted: bool | None
     follows: bool
     following_since: datetime | None
+    viewers: int | None
 
 
 class TwitchCoordinator(DataUpdateCoordinator[dict[str, TwitchUpdate]]):
@@ -112,5 +113,6 @@ class TwitchCoordinator(DataUpdateCoordinator[dict[str, TwitchUpdate]]):
                 sub.is_gift if sub else None,
                 follows is not None and follows.total > 0,
                 follows.data[0].followed_at if follows and follows.total else None,
+                stream.viewer_count if stream else None,
             )
         return data
diff --git a/homeassistant/components/twitch/sensor.py b/homeassistant/components/twitch/sensor.py
index 636f94114a4..66ca7a4445d 100644
--- a/homeassistant/components/twitch/sensor.py
+++ b/homeassistant/components/twitch/sensor.py
@@ -24,6 +24,7 @@ ATTR_FOLLOW = "following"
 ATTR_FOLLOW_SINCE = "following_since"
 ATTR_FOLLOWING = "followers"
 ATTR_VIEWS = "views"
+ATTR_VIEWERS = "viewers"
 ATTR_STARTED_AT = "started_at"
 
 STATE_OFFLINE = "offline"
@@ -82,6 +83,7 @@ class TwitchSensor(CoordinatorEntity[TwitchCoordinator], SensorEntity):
             ATTR_GAME: channel.game,
             ATTR_TITLE: channel.title,
             ATTR_STARTED_AT: channel.started_at,
+            ATTR_VIEWERS: channel.viewers,
         }
         resp[ATTR_SUBSCRIPTION] = False
         if channel.subscribed is not None:
diff --git a/tests/components/twitch/fixtures/get_streams.json b/tests/components/twitch/fixtures/get_streams.json
index 53330c9c82e..73f6dc1b42a 100644
--- a/tests/components/twitch/fixtures/get_streams.json
+++ b/tests/components/twitch/fixtures/get_streams.json
@@ -3,6 +3,7 @@
     "game_name": "Good game",
     "title": "Title",
     "thumbnail_url": "stream-medium.png",
-    "started_at": "2021-03-10T03:18:11Z"
+    "started_at": "2021-03-10T03:18:11Z",
+    "viewer_count": 42
   }
 ]
diff --git a/tests/components/twitch/test_sensor.py b/tests/components/twitch/test_sensor.py
index 8ce146adf07..60024268a68 100644
--- a/tests/components/twitch/test_sensor.py
+++ b/tests/components/twitch/test_sensor.py
@@ -45,6 +45,7 @@ async def test_streaming(
     assert sensor_state.attributes["started_at"] == datetime(
         year=2021, month=3, day=10, hour=3, minute=18, second=11, tzinfo=tzutc()
     )
+    assert sensor_state.attributes["viewers"] == 42
 
 
 async def test_oauth_without_sub_and_follow(