diff --git a/homeassistant/components/google_assistant/const.py b/homeassistant/components/google_assistant/const.py
index 37154bf5e4d..efeb62deb8e 100644
--- a/homeassistant/components/google_assistant/const.py
+++ b/homeassistant/components/google_assistant/const.py
@@ -10,6 +10,7 @@ from homeassistant.components import (
     group,
     humidifier,
     input_boolean,
+    input_button,
     input_select,
     light,
     lock,
@@ -129,6 +130,7 @@ DOMAIN_TO_GOOGLE_TYPES = {
     group.DOMAIN: TYPE_SWITCH,
     humidifier.DOMAIN: TYPE_HUMIDIFIER,
     input_boolean.DOMAIN: TYPE_SWITCH,
+    input_button.DOMAIN: TYPE_SCENE,
     input_select.DOMAIN: TYPE_SENSOR,
     light.DOMAIN: TYPE_LIGHT,
     lock.DOMAIN: TYPE_LOCK,
diff --git a/homeassistant/components/google_assistant/trait.py b/homeassistant/components/google_assistant/trait.py
index 4b6593abadb..26cce0bd5a5 100644
--- a/homeassistant/components/google_assistant/trait.py
+++ b/homeassistant/components/google_assistant/trait.py
@@ -12,6 +12,7 @@ from homeassistant.components import (
     fan,
     group,
     input_boolean,
+    input_button,
     input_select,
     light,
     lock,
@@ -514,7 +515,12 @@ class SceneTrait(_Trait):
     @staticmethod
     def supported(domain, features, device_class, _):
         """Test if state is supported."""
-        return domain in (button.DOMAIN, scene.DOMAIN, script.DOMAIN)
+        return domain in (
+            button.DOMAIN,
+            input_button.DOMAIN,
+            scene.DOMAIN,
+            script.DOMAIN,
+        )
 
     def sync_attributes(self):
         """Return scene attributes for a sync request."""
@@ -530,6 +536,8 @@ class SceneTrait(_Trait):
         service = SERVICE_TURN_ON
         if self.state.domain == button.DOMAIN:
             service = button.SERVICE_PRESS
+        elif self.state.domain == input_button.DOMAIN:
+            service = input_button.SERVICE_PRESS
 
         # Don't block for scripts or buttons, as they can be slow.
         await self.hass.services.async_call(
@@ -537,7 +545,8 @@ class SceneTrait(_Trait):
             service,
             {ATTR_ENTITY_ID: self.state.entity_id},
             blocking=(not self.config.should_report_state)
-            and self.state.domain not in (button.DOMAIN, script.DOMAIN),
+            and self.state.domain
+            not in (button.DOMAIN, input_button.DOMAIN, script.DOMAIN),
             context=data.context,
         )
 
diff --git a/tests/components/google_assistant/test_trait.py b/tests/components/google_assistant/test_trait.py
index e20f08f8702..83fcaa59b19 100644
--- a/tests/components/google_assistant/test_trait.py
+++ b/tests/components/google_assistant/test_trait.py
@@ -13,6 +13,7 @@ from homeassistant.components import (
     fan,
     group,
     input_boolean,
+    input_button,
     input_select,
     light,
     lock,
@@ -768,24 +769,30 @@ async def test_light_modes(hass):
     }
 
 
-async def test_scene_button(hass):
-    """Test Scene trait support for the button domain."""
-    assert helpers.get_google_type(button.DOMAIN, None) is not None
-    assert trait.SceneTrait.supported(button.DOMAIN, 0, None, None)
+@pytest.mark.parametrize(
+    "component",
+    [button, input_button],
+)
+async def test_scene_button(hass, component):
+    """Test Scene trait support for the (input) button domain."""
+    assert helpers.get_google_type(component.DOMAIN, None) is not None
+    assert trait.SceneTrait.supported(component.DOMAIN, 0, None, None)
 
-    trt = trait.SceneTrait(hass, State("button.bla", STATE_UNKNOWN), BASIC_CONFIG)
+    trt = trait.SceneTrait(
+        hass, State(f"{component.DOMAIN}.bla", STATE_UNKNOWN), BASIC_CONFIG
+    )
     assert trt.sync_attributes() == {}
     assert trt.query_attributes() == {}
     assert trt.can_execute(trait.COMMAND_ACTIVATE_SCENE, {})
 
-    calls = async_mock_service(hass, button.DOMAIN, button.SERVICE_PRESS)
+    calls = async_mock_service(hass, component.DOMAIN, component.SERVICE_PRESS)
     await trt.execute(trait.COMMAND_ACTIVATE_SCENE, BASIC_DATA, {}, {})
 
     # We don't wait till button press is done.
     await hass.async_block_till_done()
 
     assert len(calls) == 1
-    assert calls[0].data == {ATTR_ENTITY_ID: "button.bla"}
+    assert calls[0].data == {ATTR_ENTITY_ID: f"{component.DOMAIN}.bla"}
 
 
 async def test_scene_scene(hass):