diff --git a/catalog-rest-service/src/main/java/org/openmetadata/catalog/resources/databases/DatabaseUtil.java b/catalog-rest-service/src/main/java/org/openmetadata/catalog/resources/databases/DatabaseUtil.java
index 662d28c2253..2036180c7c8 100644
--- a/catalog-rest-service/src/main/java/org/openmetadata/catalog/resources/databases/DatabaseUtil.java
+++ b/catalog-rest-service/src/main/java/org/openmetadata/catalog/resources/databases/DatabaseUtil.java
@@ -79,6 +79,7 @@ public final class DatabaseUtil {
   }
 
   public static void validateColumns(Table table) {
+    validateColumnNames(table.getColumns());
     for (Column c : table.getColumns()) {
       validateColumnDataTypeDisplay(c);
       validateColumnDataLength(c);
@@ -87,6 +88,16 @@ public final class DatabaseUtil {
     }
   }
 
+  public static void validateColumnNames(List<Column> columns) {
+    List<String> columnNames = new ArrayList<>();
+    for (Column c : columns) {
+      if (columnNames.contains(c.getName())) {
+        throw new IllegalArgumentException(String.format("Column name %s is repeated", c.getName()));
+      }
+      columnNames.add(c.getName());
+    }
+  }
+
   public static void validateColumnDataTypeDisplay(Column column) {
     // If dataTypeDisplay is null then set it based on dataType
     if (column.getDataTypeDisplay() == null) {
@@ -143,6 +154,7 @@ public final class DatabaseUtil {
                 "must not be null");
       }
 
+      validateColumnNames(column.getChildren());
       if (!column.getDataTypeDisplay().startsWith("struct<")) {
         throw new IllegalArgumentException("For column data type struct, dataTypeDisplay must be of type " +
                 "stuct<member fields>");
diff --git a/catalog-rest-service/src/test/java/org/openmetadata/catalog/resources/databases/TableResourceTest.java b/catalog-rest-service/src/test/java/org/openmetadata/catalog/resources/databases/TableResourceTest.java
index 9c6d9275f3e..7985213b716 100644
--- a/catalog-rest-service/src/test/java/org/openmetadata/catalog/resources/databases/TableResourceTest.java
+++ b/catalog-rest-service/src/test/java/org/openmetadata/catalog/resources/databases/TableResourceTest.java
@@ -200,6 +200,18 @@ public class TableResourceTest extends CatalogApplicationTest {
             "For column data type array, dataTypeDisplay must be of type array<arrayDataType>");
   }
 
+  @Test
+  public void post_duplicateColumnName_400(TestInfo test) {
+    // Duplicate column names c1
+    String repeatedColumnName = "c1";
+    List<Column> columns = Arrays.asList(getColumn(repeatedColumnName, ARRAY, "array<int>", null),
+            getColumn(repeatedColumnName, INT, null));
+    CreateTable create = create(test).withColumns(columns);
+    HttpResponseException exception = assertThrows(HttpResponseException.class, () ->
+            createTable(create, adminAuthHeaders()));
+    assertResponse(exception, BAD_REQUEST, String.format("Column name %s is repeated", repeatedColumnName));
+  }
+
   @Test
   public void post_tableAlreadyExists_409_conflict(TestInfo test) throws HttpResponseException {
     CreateTable create = create(test);
@@ -227,9 +239,9 @@ public class TableResourceTest extends CatalogApplicationTest {
   }
 
   private static Column getColumn(String name, ColumnDataType columnDataType, String dataTypeDisplay, TagLabel tag) {
-
+    List<TagLabel> tags = tag == null ? new ArrayList<>() : singletonList(tag);
     return new Column().withName(name).withDataType(columnDataType)
-            .withDataTypeDisplay(dataTypeDisplay).withTags(singletonList(tag));
+            .withDataTypeDisplay(dataTypeDisplay).withTags(tags);
   }
 
   @Test