diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/v2/PersistentTopics.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/v2/PersistentTopics.java
index 09d6e53974b87..f5b120f67a597 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/v2/PersistentTopics.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/v2/PersistentTopics.java
@@ -995,6 +995,11 @@ public void deletePartitionedTopic(
             @QueryParam("authoritative") @DefaultValue("false") boolean authoritative) {
         try {
             validateTopicName(tenant, namespace, encodedTopic);
+            if (topicName.isPartitioned()) {
+                // There's no way to create the partition topic with `-partition-{index}`, So we can reject it.
+                throw new RestException(Response.Status.PRECONDITION_FAILED,
+                        "Partitioned Topic Name should not contain '-partition-'");
+            }
             internalDeletePartitionedTopic(asyncResponse, authoritative, force);
         } catch (WebApplicationException wae) {
             asyncResponse.resume(wae);
diff --git a/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/persistent/PartitionKeywordCompatibilityTest.java b/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/persistent/PartitionKeywordCompatibilityTest.java
index f815fef1c8772..afa5231c93911 100644
--- a/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/persistent/PartitionKeywordCompatibilityTest.java
+++ b/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/persistent/PartitionKeywordCompatibilityTest.java
@@ -19,6 +19,7 @@
 package org.apache.pulsar.broker.service.persistent;
 
 
+import static org.testng.Assert.fail;
 import lombok.Cleanup;
 import org.apache.pulsar.broker.service.BrokerTestBase;
 import org.apache.pulsar.client.admin.PulsarAdminException;
@@ -74,4 +75,30 @@ public void testAutoCreatePartitionTopicWithKeywordAndDeleteIt()
         Assert.assertFalse(topics.contains(topicName));
         Assert.assertFalse(partitionedTopicList.contains(topicName));
     }
+
+    @Test
+    public void testDeletePartitionedTopicValidation() throws PulsarAdminException {
+        final String topicName = "persistent://public/default/testDeletePartitionedTopicValidation";
+        final String partitionKeywordTopic = "persistent://public/default/testDelete-partition-edTopicValidation";
+        final String partitionedTopic = "persistent://public/default/testDeletePartitionedTopicValidation-partition-0";
+        try {
+            admin.topics().deletePartitionedTopic(topicName);
+            fail("expect not found!");
+        } catch (PulsarAdminException.NotFoundException ex) {
+            //ok
+        }
+        try {
+            admin.topics().deletePartitionedTopic(partitionKeywordTopic);
+            fail("expect not found!");
+        } catch (PulsarAdminException.NotFoundException ex) {
+            //ok
+        }
+        try {
+            admin.topics().deletePartitionedTopic(partitionedTopic);
+            fail("expect illegal argument");
+        } catch (PulsarAdminException.PreconditionFailedException ex) {
+            Assert.assertTrue(ex.getMessage().contains("should not contain '-partition-'"));
+            // ok
+        }
+    }
 }