diff --git a/homeassistant/components/whois/icons.json b/homeassistant/components/whois/icons.json
new file mode 100644
index 00000000000..459ae252138
--- /dev/null
+++ b/homeassistant/components/whois/icons.json
@@ -0,0 +1,24 @@
+{
+  "entity": {
+    "sensor": {
+      "admin": {
+        "default": "mdi:account-star"
+      },
+      "days_until_expiration": {
+        "default": "mdi:calendar-clock"
+      },
+      "owner": {
+        "default": "mdi:account"
+      },
+      "registrant": {
+        "default": "mdi:account-edit"
+      },
+      "registrar": {
+        "default": "mdi:store"
+      },
+      "reseller": {
+        "default": "mdi:store"
+      }
+    }
+  }
+}
diff --git a/homeassistant/components/whois/sensor.py b/homeassistant/components/whois/sensor.py
index 7118701a868..2de6509698f 100644
--- a/homeassistant/components/whois/sensor.py
+++ b/homeassistant/components/whois/sensor.py
@@ -61,7 +61,6 @@ SENSORS: tuple[WhoisSensorEntityDescription, ...] = (
     WhoisSensorEntityDescription(
         key="admin",
         translation_key="admin",
-        icon="mdi:account-star",
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         value_fn=lambda domain: getattr(domain, "admin", None),
@@ -76,7 +75,6 @@ SENSORS: tuple[WhoisSensorEntityDescription, ...] = (
     WhoisSensorEntityDescription(
         key="days_until_expiration",
         translation_key="days_until_expiration",
-        icon="mdi:calendar-clock",
         native_unit_of_measurement=UnitOfTime.DAYS,
         value_fn=_days_until_expiration,
     ),
@@ -97,7 +95,6 @@ SENSORS: tuple[WhoisSensorEntityDescription, ...] = (
     WhoisSensorEntityDescription(
         key="owner",
         translation_key="owner",
-        icon="mdi:account",
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         value_fn=lambda domain: getattr(domain, "owner", None),
@@ -105,7 +102,6 @@ SENSORS: tuple[WhoisSensorEntityDescription, ...] = (
     WhoisSensorEntityDescription(
         key="registrant",
         translation_key="registrant",
-        icon="mdi:account-edit",
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         value_fn=lambda domain: getattr(domain, "registrant", None),
@@ -113,7 +109,6 @@ SENSORS: tuple[WhoisSensorEntityDescription, ...] = (
     WhoisSensorEntityDescription(
         key="registrar",
         translation_key="registrar",
-        icon="mdi:store",
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         value_fn=lambda domain: domain.registrar if domain.registrar else None,
@@ -121,7 +116,6 @@ SENSORS: tuple[WhoisSensorEntityDescription, ...] = (
     WhoisSensorEntityDescription(
         key="reseller",
         translation_key="reseller",
-        icon="mdi:store",
         entity_category=EntityCategory.DIAGNOSTIC,
         entity_registry_enabled_default=False,
         value_fn=lambda domain: getattr(domain, "reseller", None),
diff --git a/tests/components/whois/snapshots/test_sensor.ambr b/tests/components/whois/snapshots/test_sensor.ambr
index 99299ae36da..52909edf0b1 100644
--- a/tests/components/whois/snapshots/test_sensor.ambr
+++ b/tests/components/whois/snapshots/test_sensor.ambr
@@ -3,7 +3,6 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'friendly_name': 'home-assistant.io Admin',
-      'icon': 'mdi:account-star',
     }),
     'context': <ANY>,
     'entity_id': 'sensor.home_assistant_io_admin',
@@ -35,7 +34,7 @@
     'options': dict({
     }),
     'original_device_class': None,
-    'original_icon': 'mdi:account-star',
+    'original_icon': None,
     'original_name': 'Admin',
     'platform': 'whois',
     'previous_unique_id': None,
@@ -156,7 +155,6 @@
     'attributes': ReadOnlyDict({
       'expires': '2023-01-01T00:00:00',
       'friendly_name': 'home-assistant.io Days until expiration',
-      'icon': 'mdi:calendar-clock',
       'name_servers': 'ns1.example.com ns2.example.com',
       'registrar': 'My Registrar',
       'unit_of_measurement': <UnitOfTime.DAYS: 'd'>,
@@ -192,7 +190,7 @@
     'options': dict({
     }),
     'original_device_class': None,
-    'original_icon': 'mdi:calendar-clock',
+    'original_icon': None,
     'original_name': 'Days until expiration',
     'platform': 'whois',
     'previous_unique_id': None,
@@ -388,7 +386,6 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'friendly_name': 'home-assistant.io Owner',
-      'icon': 'mdi:account',
     }),
     'context': <ANY>,
     'entity_id': 'sensor.home_assistant_io_owner',
@@ -420,7 +417,7 @@
     'options': dict({
     }),
     'original_device_class': None,
-    'original_icon': 'mdi:account',
+    'original_icon': None,
     'original_name': 'Owner',
     'platform': 'whois',
     'previous_unique_id': None,
@@ -464,7 +461,6 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'friendly_name': 'home-assistant.io Registrant',
-      'icon': 'mdi:account-edit',
     }),
     'context': <ANY>,
     'entity_id': 'sensor.home_assistant_io_registrant',
@@ -496,7 +492,7 @@
     'options': dict({
     }),
     'original_device_class': None,
-    'original_icon': 'mdi:account-edit',
+    'original_icon': None,
     'original_name': 'Registrant',
     'platform': 'whois',
     'previous_unique_id': None,
@@ -540,7 +536,6 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'friendly_name': 'home-assistant.io Registrar',
-      'icon': 'mdi:store',
     }),
     'context': <ANY>,
     'entity_id': 'sensor.home_assistant_io_registrar',
@@ -572,7 +567,7 @@
     'options': dict({
     }),
     'original_device_class': None,
-    'original_icon': 'mdi:store',
+    'original_icon': None,
     'original_name': 'Registrar',
     'platform': 'whois',
     'previous_unique_id': None,
@@ -616,7 +611,6 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'friendly_name': 'home-assistant.io Reseller',
-      'icon': 'mdi:store',
     }),
     'context': <ANY>,
     'entity_id': 'sensor.home_assistant_io_reseller',
@@ -648,7 +642,7 @@
     'options': dict({
     }),
     'original_device_class': None,
-    'original_icon': 'mdi:store',
+    'original_icon': None,
     'original_name': 'Reseller',
     'platform': 'whois',
     'previous_unique_id': None,