diff --git a/homeassistant/components/otp/icons.json b/homeassistant/components/otp/icons.json
new file mode 100644
index 00000000000..1cab872e8f8
--- /dev/null
+++ b/homeassistant/components/otp/icons.json
@@ -0,0 +1,9 @@
+{
+  "entity": {
+    "sensor": {
+      "token": {
+        "default": "mdi:lock-clock"
+      }
+    }
+  }
+}
diff --git a/homeassistant/components/otp/sensor.py b/homeassistant/components/otp/sensor.py
index 0c87afb86b7..466fc994cdb 100644
--- a/homeassistant/components/otp/sensor.py
+++ b/homeassistant/components/otp/sensor.py
@@ -69,7 +69,7 @@ async def async_setup_entry(
 class TOTPSensor(SensorEntity):
     """Representation of a TOTP sensor."""
 
-    _attr_icon = "mdi:update"
+    _attr_translation_key = "token"
     _attr_should_poll = False
     _attr_native_value: StateType = None
     _next_expiration: float | None = None
diff --git a/tests/components/otp/snapshots/test_sensor.ambr b/tests/components/otp/snapshots/test_sensor.ambr
index fbd8741b8b5..5329b03ad9e 100644
--- a/tests/components/otp/snapshots/test_sensor.ambr
+++ b/tests/components/otp/snapshots/test_sensor.ambr
@@ -3,7 +3,6 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'friendly_name': 'OTP Sensor',
-      'icon': 'mdi:update',
     }),
     'context': <ANY>,
     'entity_id': 'sensor.otp_sensor',