diff --git a/homeassistant/components/whois/config_flow.py b/homeassistant/components/whois/config_flow.py
index cb4326d996d..a8306be7632 100644
--- a/homeassistant/components/whois/config_flow.py
+++ b/homeassistant/components/whois/config_flow.py
@@ -11,6 +11,8 @@ from whois.exceptions import (
     UnknownDateFormat,
     UnknownTld,
     WhoisCommandFailed,
+    WhoisPrivateRegistry,
+    WhoisQuotaExceeded,
 )
 
 from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
@@ -48,6 +50,10 @@ class WhoisFlowHandler(ConfigFlow, domain=DOMAIN):
                 errors["base"] = "unexpected_response"
             except UnknownDateFormat:
                 errors["base"] = "unknown_date_format"
+            except WhoisPrivateRegistry:
+                errors["base"] = "private_registry"
+            except WhoisQuotaExceeded:
+                errors["base"] = "quota_exceeded"
             else:
                 return self.async_create_entry(
                     title=self.imported_name or user_input[CONF_DOMAIN],
diff --git a/homeassistant/components/whois/strings.json b/homeassistant/components/whois/strings.json
index c28c079784d..3b0f9dfd4d1 100644
--- a/homeassistant/components/whois/strings.json
+++ b/homeassistant/components/whois/strings.json
@@ -11,7 +11,9 @@
       "unexpected_response": "Unexpected response from whois server",
       "unknown_date_format": "Unknown date format in whois server response",
       "unknown_tld": "The given TLD is unknown or not available to this integration",
-      "whois_command_failed": "Whois command failed: could not retrieve whois information"
+      "whois_command_failed": "Whois command failed: could not retrieve whois information",
+      "private_registry": "The given domain is registered in a private registry and cannot be monitored",
+      "quota_exceeded": "Your whois quota has been exceeded for this TLD"
     },
     "abort": {
       "already_configured": "[%key:common::config_flow::abort::already_configured_service%]"
diff --git a/tests/components/whois/snapshots/test_config_flow.ambr b/tests/components/whois/snapshots/test_config_flow.ambr
index 0d99b0596e3..97d6fde6376 100644
--- a/tests/components/whois/snapshots/test_config_flow.ambr
+++ b/tests/components/whois/snapshots/test_config_flow.ambr
@@ -175,6 +175,94 @@
     'version': 1,
   })
 # ---
+# name: test_full_flow_with_error[WhoisPrivateRegistry-private_registry]
+  FlowResultSnapshot({
+    'context': dict({
+      'source': 'user',
+      'unique_id': 'example.com',
+    }),
+    'data': dict({
+      'domain': 'example.com',
+    }),
+    'description': None,
+    'description_placeholders': None,
+    'flow_id': <ANY>,
+    'handler': 'whois',
+    'minor_version': 1,
+    'options': dict({
+    }),
+    'result': ConfigEntrySnapshot({
+      'data': dict({
+        'domain': 'example.com',
+      }),
+      'disabled_by': None,
+      'discovery_keys': dict({
+      }),
+      'domain': 'whois',
+      'entry_id': <ANY>,
+      'minor_version': 1,
+      'options': dict({
+      }),
+      'pref_disable_new_entities': False,
+      'pref_disable_polling': False,
+      'source': 'user',
+      'subentries': list([
+      ]),
+      'title': 'Example.com',
+      'unique_id': 'example.com',
+      'version': 1,
+    }),
+    'subentries': tuple(
+    ),
+    'title': 'Example.com',
+    'type': <FlowResultType.CREATE_ENTRY: 'create_entry'>,
+    'version': 1,
+  })
+# ---
+# name: test_full_flow_with_error[WhoisQuotaExceeded-quota_exceeded]
+  FlowResultSnapshot({
+    'context': dict({
+      'source': 'user',
+      'unique_id': 'example.com',
+    }),
+    'data': dict({
+      'domain': 'example.com',
+    }),
+    'description': None,
+    'description_placeholders': None,
+    'flow_id': <ANY>,
+    'handler': 'whois',
+    'minor_version': 1,
+    'options': dict({
+    }),
+    'result': ConfigEntrySnapshot({
+      'data': dict({
+        'domain': 'example.com',
+      }),
+      'disabled_by': None,
+      'discovery_keys': dict({
+      }),
+      'domain': 'whois',
+      'entry_id': <ANY>,
+      'minor_version': 1,
+      'options': dict({
+      }),
+      'pref_disable_new_entities': False,
+      'pref_disable_polling': False,
+      'source': 'user',
+      'subentries': list([
+      ]),
+      'title': 'Example.com',
+      'unique_id': 'example.com',
+      'version': 1,
+    }),
+    'subentries': tuple(
+    ),
+    'title': 'Example.com',
+    'type': <FlowResultType.CREATE_ENTRY: 'create_entry'>,
+    'version': 1,
+  })
+# ---
 # name: test_full_user_flow
   FlowResultSnapshot({
     'context': dict({
diff --git a/tests/components/whois/test_config_flow.py b/tests/components/whois/test_config_flow.py
index 35e40c4e809..6ab02887be2 100644
--- a/tests/components/whois/test_config_flow.py
+++ b/tests/components/whois/test_config_flow.py
@@ -9,6 +9,8 @@ from whois.exceptions import (
     UnknownDateFormat,
     UnknownTld,
     WhoisCommandFailed,
+    WhoisPrivateRegistry,
+    WhoisQuotaExceeded,
 )
 
 from homeassistant.components.whois.const import DOMAIN
@@ -52,6 +54,8 @@ async def test_full_user_flow(
         (FailedParsingWhoisOutput, "unexpected_response"),
         (UnknownDateFormat, "unknown_date_format"),
         (WhoisCommandFailed, "whois_command_failed"),
+        (WhoisPrivateRegistry, "private_registry"),
+        (WhoisQuotaExceeded, "quota_exceeded"),
     ],
 )
 async def test_full_flow_with_error(