diff --git a/src/Common/StringUtils/StringUtils.h b/src/Common/StringUtils/StringUtils.h
index 20c0a5ca380..f6ad61f8fd9 100644
--- a/src/Common/StringUtils/StringUtils.h
+++ b/src/Common/StringUtils/StringUtils.h
@@ -149,7 +149,11 @@ inline bool isPunctuationASCII(char c)
 
 inline bool isValidIdentifier(const std::string_view & str)
 {
-    return !str.empty() && isValidIdentifierBegin(str[0]) && std::all_of(str.begin() + 1, str.end(), isWordCharASCII);
+    return !str.empty()
+        && isValidIdentifierBegin(str[0])
+        && std::all_of(str.begin() + 1, str.end(), isWordCharASCII)
+        /// NULL is not a valid identifier in SQL, any case.
+        && !(str.size() == strlen("null") && 0 == strncasecmp(str.data(), "null", strlen("null")));
 }
 
 /// Works assuming isAlphaASCII.
diff --git a/tests/queries/0_stateless/01932_null_valid_identifier.reference b/tests/queries/0_stateless/01932_null_valid_identifier.reference
new file mode 100644
index 00000000000..8600160f48c
--- /dev/null
+++ b/tests/queries/0_stateless/01932_null_valid_identifier.reference
@@ -0,0 +1,3 @@
+1
+1
+1	\N
diff --git a/tests/queries/0_stateless/01932_null_valid_identifier.sql b/tests/queries/0_stateless/01932_null_valid_identifier.sql
new file mode 100644
index 00000000000..31f1a771675
--- /dev/null
+++ b/tests/queries/0_stateless/01932_null_valid_identifier.sql
@@ -0,0 +1,3 @@
+SELECT `null` FROM remote('127.0.0.2', view(SELECT 1 AS `null`));
+SELECT `NULL` FROM remote('127.0.0.2', view(SELECT 1 AS `NULL`));
+SELECT `nULl`, null FROM remote('127.0.0.2', view(SELECT 1 AS `nULl`));