diff --git a/homeassistant/components/bang_olufsen/diagnostics.py b/homeassistant/components/bang_olufsen/diagnostics.py
index bf7b06e694a..3835de7c551 100644
--- a/homeassistant/components/bang_olufsen/diagnostics.py
+++ b/homeassistant/components/bang_olufsen/diagnostics.py
@@ -4,12 +4,13 @@ from __future__ import annotations
 
 from typing import TYPE_CHECKING, Any
 
+from homeassistant.components.event import DOMAIN as EVENT_DOMAIN
 from homeassistant.components.media_player import DOMAIN as MEDIA_PLAYER_DOMAIN
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
 
 from . import BangOlufsenConfigEntry
-from .const import DOMAIN
+from .const import DEVICE_BUTTONS, DOMAIN
 
 
 async def async_get_config_entry_diagnostics(
@@ -25,8 +26,9 @@ async def async_get_config_entry_diagnostics(
     if TYPE_CHECKING:
         assert config_entry.unique_id
 
-    # Add media_player entity's state
     entity_registry = er.async_get(hass)
+
+    # Add media_player entity's state
     if entity_id := entity_registry.async_get_entity_id(
         MEDIA_PLAYER_DOMAIN, DOMAIN, config_entry.unique_id
     ):
@@ -37,4 +39,16 @@ async def async_get_config_entry_diagnostics(
             state_dict.pop("context")
             data["media_player"] = state_dict
 
+    # Add button Event entity states (if enabled)
+    for device_button in DEVICE_BUTTONS:
+        if entity_id := entity_registry.async_get_entity_id(
+            EVENT_DOMAIN, DOMAIN, f"{config_entry.unique_id}_{device_button}"
+        ):
+            if state := hass.states.get(entity_id):
+                state_dict = dict(state.as_dict())
+
+                # Remove context as it is not relevant
+                state_dict.pop("context")
+                data[f"{device_button}_event"] = state_dict
+
     return data
diff --git a/tests/components/bang_olufsen/snapshots/test_diagnostics.ambr b/tests/components/bang_olufsen/snapshots/test_diagnostics.ambr
index d7f9a045921..bc51f89f96d 100644
--- a/tests/components/bang_olufsen/snapshots/test_diagnostics.ambr
+++ b/tests/components/bang_olufsen/snapshots/test_diagnostics.ambr
@@ -1,6 +1,22 @@
 # serializer version: 1
 # name: test_async_get_config_entry_diagnostics
   dict({
+    'PlayPause_event': dict({
+      'attributes': dict({
+        'device_class': 'button',
+        'event_type': None,
+        'event_types': list([
+          'short_press_release',
+          'long_press_timeout',
+          'long_press_release',
+          'very_long_press_timeout',
+          'very_long_press_release',
+        ]),
+        'friendly_name': 'Living room Balance Play / Pause',
+      }),
+      'entity_id': 'event.beosound_balance_11111111_play_pause',
+      'state': 'unknown',
+    }),
     'config_entry': dict({
       'data': dict({
         'host': '192.168.0.1',
diff --git a/tests/components/bang_olufsen/test_diagnostics.py b/tests/components/bang_olufsen/test_diagnostics.py
index 7c99648ace4..a9415a222a8 100644
--- a/tests/components/bang_olufsen/test_diagnostics.py
+++ b/tests/components/bang_olufsen/test_diagnostics.py
@@ -6,6 +6,9 @@ from syrupy import SnapshotAssertion
 from syrupy.filters import props
 
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_registry import EntityRegistry
+
+from .const import TEST_BUTTON_EVENT_ENTITY_ID
 
 from tests.common import MockConfigEntry
 from tests.components.diagnostics import get_diagnostics_for_config_entry
@@ -14,6 +17,7 @@ from tests.typing import ClientSessionGenerator
 
 async def test_async_get_config_entry_diagnostics(
     hass: HomeAssistant,
+    entity_registry: EntityRegistry,
     hass_client: ClientSessionGenerator,
     mock_config_entry: MockConfigEntry,
     mock_mozart_client: AsyncMock,
@@ -23,6 +27,10 @@ async def test_async_get_config_entry_diagnostics(
     mock_config_entry.add_to_hass(hass)
     await hass.config_entries.async_setup(mock_config_entry.entry_id)
 
+    # Enable an Event entity
+    entity_registry.async_update_entity(TEST_BUTTON_EVENT_ENTITY_ID, disabled_by=None)
+    hass.config_entries.async_schedule_reload(mock_config_entry.entry_id)
+
     result = await get_diagnostics_for_config_entry(
         hass, hass_client, mock_config_entry
     )