diff --git a/homeassistant/components/smartthings/binary_sensor.py b/homeassistant/components/smartthings/binary_sensor.py
index 0654846273e..ace23ba4ec2 100644
--- a/homeassistant/components/smartthings/binary_sensor.py
+++ b/homeassistant/components/smartthings/binary_sensor.py
@@ -61,6 +61,13 @@ CAPABILITY_TO_SENSORS: dict[
             is_on_key="replace",
         )
     },
+    Capability.SAMSUNG_CE_KIDS_LOCK: {
+        Attribute.LOCK_STATE: SmartThingsBinarySensorEntityDescription(
+            key=Attribute.LOCK_STATE,
+            translation_key="child_lock",
+            is_on_key="locked",
+        )
+    },
     Capability.MOTION_SENSOR: {
         Attribute.MOTION: SmartThingsBinarySensorEntityDescription(
             key=Attribute.MOTION,
diff --git a/homeassistant/components/smartthings/icons.json b/homeassistant/components/smartthings/icons.json
index cbc4b6b80ce..971550b8f69 100644
--- a/homeassistant/components/smartthings/icons.json
+++ b/homeassistant/components/smartthings/icons.json
@@ -6,6 +6,12 @@
         "state": {
           "on": "mdi:remote"
         }
+      },
+      "child_lock": {
+        "default": "mdi:lock-open",
+        "state": {
+          "on": "mdi:lock"
+        }
       }
     }
   }
diff --git a/homeassistant/components/smartthings/strings.json b/homeassistant/components/smartthings/strings.json
index fdc905468f5..48314341da9 100644
--- a/homeassistant/components/smartthings/strings.json
+++ b/homeassistant/components/smartthings/strings.json
@@ -39,6 +39,9 @@
       "remote_control": {
         "name": "Remote control"
       },
+      "child_lock": {
+        "name": "Child lock"
+      },
       "valve": {
         "name": "Valve"
       }
diff --git a/tests/components/smartthings/snapshots/test_binary_sensor.ambr b/tests/components/smartthings/snapshots/test_binary_sensor.ambr
index 6223c6c526c..4edb3160cf8 100644
--- a/tests/components/smartthings/snapshots/test_binary_sensor.ambr
+++ b/tests/components/smartthings/snapshots/test_binary_sensor.ambr
@@ -143,6 +143,53 @@
     'state': 'off',
   })
 # ---
+# name: test_all_entities[da_ks_microwave_0101x][binary_sensor.microwave_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': None,
+    'entity_id': 'binary_sensor.microwave_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': '2bad3237-4886-e699-1b90-4a51a3d55c8a.lockState',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_ks_microwave_0101x][binary_sensor.microwave_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Microwave Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.microwave_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_ks_microwave_0101x][binary_sensor.microwave_remote_control-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({
@@ -190,6 +237,53 @@
     'state': 'off',
   })
 # ---
+# name: test_all_entities[da_ks_oven_01061][binary_sensor.oven_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': None,
+    'entity_id': 'binary_sensor.oven_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': '9447959a-0dfa-6b27-d40d-650da525c53f.lockState',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_ks_oven_01061][binary_sensor.oven_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Oven Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.oven_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_ks_oven_01061][binary_sensor.oven_remote_control-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({
@@ -237,6 +331,53 @@
     'state': 'on',
   })
 # ---
+# name: test_all_entities[da_ks_range_0101x][binary_sensor.vulcan_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': None,
+    'entity_id': 'binary_sensor.vulcan_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': '2c3cbaa0-1899-5ddc-7b58-9d657bd48f18.lockState',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_ks_range_0101x][binary_sensor.vulcan_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Vulcan Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.vulcan_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_ks_range_0101x][binary_sensor.vulcan_remote_control-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({
@@ -332,6 +473,53 @@
     'state': 'off',
   })
 # ---
+# name: test_all_entities[da_wm_dw_000001][binary_sensor.dishwasher_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': None,
+    'entity_id': 'binary_sensor.dishwasher_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': 'f36dc7ce-cac0-0667-dc14-a3704eb5e676.lockState',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_wm_dw_000001][binary_sensor.dishwasher_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Dishwasher Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.dishwasher_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_wm_dw_000001][binary_sensor.dishwasher_remote_control-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({
@@ -379,6 +567,53 @@
     'state': 'off',
   })
 # ---
+# name: test_all_entities[da_wm_wd_000001][binary_sensor.dryer_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': None,
+    'entity_id': 'binary_sensor.dryer_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': '02f7256e-8353-5bdd-547f-bd5b1647e01b.lockState',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_wm_wd_000001][binary_sensor.dryer_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Dryer Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.dryer_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_wm_wd_000001][binary_sensor.dryer_remote_control-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({
@@ -426,6 +661,53 @@
     'state': 'off',
   })
 # ---
+# name: test_all_entities[da_wm_wd_000001_1][binary_sensor.seca_roupa_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': None,
+    'entity_id': 'binary_sensor.seca_roupa_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': '3a6c4e05-811d-5041-e956-3d04c424cbcd.lockState',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_wm_wd_000001_1][binary_sensor.seca_roupa_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Seca-Roupa Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.seca_roupa_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_wm_wd_000001_1][binary_sensor.seca_roupa_remote_control-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({
@@ -473,6 +755,53 @@
     'state': 'off',
   })
 # ---
+# name: test_all_entities[da_wm_wm_000001][binary_sensor.washer_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': None,
+    'entity_id': 'binary_sensor.washer_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': 'f984b91d-f250-9d42-3436-33f09a422a47.lockState',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_wm_wm_000001][binary_sensor.washer_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Washer Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.washer_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_wm_wm_000001][binary_sensor.washer_remote_control-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({
@@ -520,6 +849,53 @@
     'state': 'off',
   })
 # ---
+# name: test_all_entities[da_wm_wm_000001_1][binary_sensor.washing_machine_child_lock-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': None,
+    'entity_id': 'binary_sensor.washing_machine_child_lock',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Child lock',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'child_lock',
+    'unique_id': '63803fae-cbed-f356-a063-2cf148ae3ca7.lockState',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_wm_wm_000001_1][binary_sensor.washing_machine_child_lock-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Washing Machine Child lock',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.washing_machine_child_lock',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_wm_wm_000001_1][binary_sensor.washing_machine_remote_control-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({