diff --git a/homeassistant/components/velux/__init__.py b/homeassistant/components/velux/__init__.py
index 594affd95392..193f9e78987e 100644
--- a/homeassistant/components/velux/__init__.py
+++ b/homeassistant/components/velux/__init__.py
@@ -95,4 +95,9 @@ async def async_setup_entry(hass: HomeAssistant, entry: VeluxConfigEntry) -> boo
 
 async def async_unload_entry(hass: HomeAssistant, entry: VeluxConfigEntry) -> bool:
     """Unload a config entry."""
-    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
+    if unload_ok := await hass.config_entries.async_unload_platforms(entry, PLATFORMS):
+        # Disconnect from gateway only after platforms are successfully unloaded.
+        # Disconnecting will reboot the gateway in the pyvlx library, which is needed to allow new
+        # connections to be made later.
+        await entry.runtime_data.disconnect()
+    return unload_ok
diff --git a/homeassistant/components/velux/quality_scale.yaml b/homeassistant/components/velux/quality_scale.yaml
index 5895a83909a1..2e0d16707868 100644
--- a/homeassistant/components/velux/quality_scale.yaml
+++ b/homeassistant/components/velux/quality_scale.yaml
@@ -25,7 +25,7 @@ rules:
 
   # Silver
   action-exceptions: todo
-  config-entry-unloading: todo
+  config-entry-unloading: done
   docs-configuration-parameters: todo
   docs-installation-parameters: todo
   entity-unavailable: todo
diff --git a/tests/components/velux/test_init.py b/tests/components/velux/test_init.py
index bf4e02b47e89..fc17df0a8030 100644
--- a/tests/components/velux/test_init.py
+++ b/tests/components/velux/test_init.py
@@ -2,16 +2,22 @@
 
 These tests verify that setup retries (ConfigEntryNotReady) are triggered
 when scene or node loading fails.
+
+They also verify that unloading the integration properly disconnects.
 """
 
 from __future__ import annotations
 
+from unittest.mock import patch
+
+import pytest
 from pyvlx.exception import PyVLXException
 
 from homeassistant.config_entries import ConfigEntryState
+from homeassistant.const import Platform
 from homeassistant.core import HomeAssistant
 
-from tests.common import AsyncMock, ConfigEntry
+from tests.common import AsyncMock, ConfigEntry, MockConfigEntry
 
 
 async def test_setup_retry_on_nodes_failure(
@@ -53,3 +59,44 @@ async def test_setup_retry_on_oserror_during_scenes(
     assert mock_config_entry.state is ConfigEntryState.SETUP_RETRY
     mock_pyvlx.load_scenes.assert_awaited_once()
     mock_pyvlx.load_nodes.assert_not_called()
+
+
+@pytest.fixture
+def platform() -> Platform:
+    """Fixture to specify platform to test."""
+    return Platform.COVER
+
+
+@pytest.mark.usefixtures("setup_integration")
+async def test_unload_calls_disconnect(
+    hass: HomeAssistant, mock_config_entry: MockConfigEntry, mock_pyvlx
+) -> None:
+    """Test that unloading the config entry disconnects from the gateway."""
+
+    # Unload the entry
+    await hass.config_entries.async_unload(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    # Verify disconnect was called
+    mock_pyvlx.disconnect.assert_awaited_once()
+
+
+@pytest.mark.usefixtures("setup_integration")
+async def test_unload_does_not_disconnect_if_platform_unload_fails(
+    hass: HomeAssistant, mock_config_entry: MockConfigEntry, mock_pyvlx
+) -> None:
+    """Test that disconnect is not called if platform unload fails."""
+
+    # Mock platform unload to fail
+    with patch(
+        "homeassistant.config_entries.ConfigEntries.async_unload_platforms",
+        return_value=False,
+    ):
+        result = await hass.config_entries.async_unload(mock_config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    # Verify unload failed
+    assert result is False
+
+    # Verify disconnect was NOT called since platform unload failed
+    mock_pyvlx.disconnect.assert_not_awaited()