diff --git a/homeassistant/components/tado/__init__.py b/homeassistant/components/tado/__init__.py
index 4087183bfe5..4b0203acda3 100644
--- a/homeassistant/components/tado/__init__.py
+++ b/homeassistant/components/tado/__init__.py
@@ -31,6 +31,7 @@ PLATFORMS = [
     Platform.CLIMATE,
     Platform.DEVICE_TRACKER,
     Platform.SENSOR,
+    Platform.SWITCH,
     Platform.WATER_HEATER,
 ]
 
diff --git a/homeassistant/components/tado/coordinator.py b/homeassistant/components/tado/coordinator.py
index 6e932c8ccfc..559bc4a16fb 100644
--- a/homeassistant/components/tado/coordinator.py
+++ b/homeassistant/components/tado/coordinator.py
@@ -342,6 +342,17 @@ class TadoDataUpdateCoordinator(DataUpdateCoordinator[dict[str, dict]]):
         except RequestException as err:
             raise UpdateFailed(f"Error setting Tado meter reading: {err}") from err
 
+    async def set_child_lock(self, device_id: str, enabled: bool) -> None:
+        """Set child lock of device."""
+        try:
+            await self.hass.async_add_executor_job(
+                self._tado.set_child_lock,
+                device_id,
+                enabled,
+            )
+        except RequestException as exc:
+            raise HomeAssistantError(f"Error setting Tado child lock: {exc}") from exc
+
 
 class TadoMobileDeviceUpdateCoordinator(DataUpdateCoordinator[dict[str, dict]]):
     """Class to manage the mobile devices from Tado via PyTado."""
diff --git a/homeassistant/components/tado/icons.json b/homeassistant/components/tado/icons.json
index c799bef0260..65b86359950 100644
--- a/homeassistant/components/tado/icons.json
+++ b/homeassistant/components/tado/icons.json
@@ -1,4 +1,14 @@
 {
+  "entity": {
+    "switch": {
+      "child_lock": {
+        "default": "mdi:lock-open-variant",
+        "state": {
+          "on": "mdi:lock"
+        }
+      }
+    }
+  },
   "services": {
     "set_climate_timer": {
       "service": "mdi:timer"
diff --git a/homeassistant/components/tado/strings.json b/homeassistant/components/tado/strings.json
index f1550517457..ff1afc3c03d 100644
--- a/homeassistant/components/tado/strings.json
+++ b/homeassistant/components/tado/strings.json
@@ -64,6 +64,11 @@
         }
       }
     },
+    "switch": {
+      "child_lock": {
+        "name": "Child lock"
+      }
+    },
     "sensor": {
       "outdoor_temperature": {
         "name": "Outdoor temperature"
diff --git a/homeassistant/components/tado/switch.py b/homeassistant/components/tado/switch.py
new file mode 100644
index 00000000000..b3f355462b8
--- /dev/null
+++ b/homeassistant/components/tado/switch.py
@@ -0,0 +1,88 @@
+"""Module for Tado child lock switch entity."""
+
+import logging
+from typing import Any
+
+from homeassistant.components.switch import SwitchEntity
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from . import TadoConfigEntry
+from .entity import TadoDataUpdateCoordinator, TadoZoneEntity
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: TadoConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the Tado switch platform."""
+
+    tado = entry.runtime_data.coordinator
+    entities: list[TadoChildLockSwitchEntity] = []
+    for zone in tado.zones:
+        zoneChildLockSupported = (
+            len(zone["devices"]) > 0 and "childLockEnabled" in zone["devices"][0]
+        )
+
+        if not zoneChildLockSupported:
+            continue
+
+        entities.append(
+            TadoChildLockSwitchEntity(
+                tado, zone["name"], zone["id"], zone["devices"][0]
+            )
+        )
+    async_add_entities(entities, True)
+
+
+class TadoChildLockSwitchEntity(TadoZoneEntity, SwitchEntity):
+    """Representation of a Tado child lock switch entity."""
+
+    _attr_translation_key = "child_lock"
+
+    def __init__(
+        self,
+        coordinator: TadoDataUpdateCoordinator,
+        zone_name: str,
+        zone_id: int,
+        device_info: dict[str, Any],
+    ) -> None:
+        """Initialize the Tado child lock switch entity."""
+        super().__init__(zone_name, coordinator.home_id, zone_id, coordinator)
+
+        self._device_info = device_info
+        self._device_id = self._device_info["shortSerialNo"]
+        self._attr_unique_id = f"{zone_id} {coordinator.home_id} child-lock"
+
+    async def async_turn_on(self, **kwargs: Any) -> None:
+        """Turn the entity on."""
+        await self.coordinator.set_child_lock(self._device_id, True)
+        await self.coordinator.async_request_refresh()
+
+    async def async_turn_off(self, **kwargs: Any) -> None:
+        """Turn the entity off."""
+        await self.coordinator.set_child_lock(self._device_id, False)
+        await self.coordinator.async_request_refresh()
+
+    @callback
+    def _handle_coordinator_update(self) -> None:
+        """Handle updated data from the coordinator."""
+        self._async_update_callback()
+        super()._handle_coordinator_update()
+
+    @callback
+    def _async_update_callback(self) -> None:
+        """Handle update callbacks."""
+        try:
+            self._device_info = self.coordinator.data["device"][self._device_id]
+        except KeyError:
+            _LOGGER.error(
+                "Could not update child lock info for device %s in zone %s",
+                self._device_id,
+                self.zone_name,
+            )
+        else:
+            self._attr_is_on = self._device_info.get("childLockEnabled", False) is True
diff --git a/tests/components/tado/fixtures/devices.json b/tests/components/tado/fixtures/devices.json
index 6d990082b96..a9313ae051b 100644
--- a/tests/components/tado/fixtures/devices.json
+++ b/tests/components/tado/fixtures/devices.json
@@ -15,5 +15,24 @@
       "value": true
     },
     "shortSerialNo": "WR1"
+  },
+  {
+    "duties": ["ZONE_UI", "ZONE_DRIVER", "ZONE_LEADER"],
+    "currentFwVersion": "59.4",
+    "deviceType": "WR02",
+    "serialNo": "WR4",
+    "shortSerialNo": "WR4",
+    "commandTableUploadState": "FINISHED",
+    "connectionState": {
+      "value": true,
+      "timestamp": "2020-03-23T18:30:07.377Z"
+    },
+    "accessPointWiFi": {
+      "ssid": "tado8480"
+    },
+    "characteristics": {
+      "capabilities": ["INSIDE_TEMPERATURE_MEASUREMENT", "IDENTIFY"]
+    },
+    "childLockEnabled": false
   }
 ]
diff --git a/tests/components/tado/fixtures/zones.json b/tests/components/tado/fixtures/zones.json
index e1d2ec759ba..acc4612b393 100644
--- a/tests/components/tado/fixtures/zones.json
+++ b/tests/components/tado/fixtures/zones.json
@@ -27,7 +27,8 @@
         },
         "characteristics": {
           "capabilities": ["INSIDE_TEMPERATURE_MEASUREMENT", "IDENTIFY"]
-        }
+        },
+        "childLockEnabled": false
       }
     ],
     "dateCreated": "2019-11-28T15:58:48.968Z",
diff --git a/tests/components/tado/test_switch.py b/tests/components/tado/test_switch.py
new file mode 100644
index 00000000000..2112f3a1ac7
--- /dev/null
+++ b/tests/components/tado/test_switch.py
@@ -0,0 +1,47 @@
+"""The sensor tests for the tado platform."""
+
+from unittest.mock import patch
+
+import pytest
+
+from homeassistant.components.switch import (
+    DOMAIN as SWITCH_DOMAIN,
+    SERVICE_TURN_OFF,
+    SERVICE_TURN_ON,
+)
+from homeassistant.const import ATTR_ENTITY_ID, STATE_OFF
+from homeassistant.core import HomeAssistant
+
+from .util import async_init_integration
+
+CHILD_LOCK_SWITCH_ENTITY = "switch.baseboard_heater_child_lock"
+
+
+async def test_child_lock(hass: HomeAssistant) -> None:
+    """Test creation of child lock entity."""
+
+    await async_init_integration(hass)
+    state = hass.states.get(CHILD_LOCK_SWITCH_ENTITY)
+    assert state.state == STATE_OFF
+
+
+@pytest.mark.parametrize(
+    ("method", "expected"), [(SERVICE_TURN_ON, True), (SERVICE_TURN_OFF, False)]
+)
+async def test_set_child_lock(hass: HomeAssistant, method, expected) -> None:
+    """Test enable child lock on switch."""
+
+    await async_init_integration(hass)
+
+    with patch(
+        "homeassistant.components.tado.PyTado.interface.api.Tado.set_child_lock"
+    ) as mock_set_state:
+        await hass.services.async_call(
+            SWITCH_DOMAIN,
+            method,
+            {ATTR_ENTITY_ID: CHILD_LOCK_SWITCH_ENTITY},
+            blocking=True,
+        )
+
+    mock_set_state.assert_called_once()
+    assert mock_set_state.call_args[0][1] is expected