diff --git a/hack/testdata/diff/configmap.yaml b/hack/testdata/diff/configmap.yaml
new file mode 100644
index 0000000000..be550449e8
--- /dev/null
+++ b/hack/testdata/diff/configmap.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: test
diff --git a/hack/testdata/diff/deployment.yaml b/hack/testdata/diff/deployment.yaml
new file mode 100644
index 0000000000..0661df1be2
--- /dev/null
+++ b/hack/testdata/diff/deployment.yaml
@@ -0,0 +1,17 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: test
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      name: test
+  template:
+    metadata:
+      labels:
+        name: test
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
diff --git a/hack/testdata/diff/pod.yaml b/hack/testdata/diff/pod.yaml
new file mode 100644
index 0000000000..510ff2329e
--- /dev/null
+++ b/hack/testdata/diff/pod.yaml
@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: test
+spec:
+  containers:
+  - name: nginx
+    image: nginx
diff --git a/hack/testdata/diff/secret.yaml b/hack/testdata/diff/secret.yaml
new file mode 100644
index 0000000000..1c7de1855f
--- /dev/null
+++ b/hack/testdata/diff/secret.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: test
diff --git a/pkg/kubectl/cmd/diff/diff.go b/pkg/kubectl/cmd/diff/diff.go
index 89ee7f360e..8e1deba326 100644
--- a/pkg/kubectl/cmd/diff/diff.go
+++ b/pkg/kubectl/cmd/diff/diff.go
@@ -289,7 +289,17 @@ func (obj InfoObject) Merged() (runtime.Object, error) {
 }
 
 func (obj InfoObject) Name() string {
-	return obj.Info.Name
+	group := ""
+	if obj.Info.Mapping.GroupVersionKind.Group != "" {
+		group = fmt.Sprintf("%v.", obj.Info.Mapping.GroupVersionKind.Group)
+	}
+	return group + fmt.Sprintf(
+		"%v.%v:%v.%v",
+		obj.Info.Mapping.GroupVersionKind.Version,
+		obj.Info.Mapping.GroupVersionKind.Kind,
+		obj.Info.Namespace,
+		obj.Info.Name,
+	)
 }
 
 // Differ creates two DiffVersion and diffs them.
diff --git a/test/cmd/diff.sh b/test/cmd/diff.sh
index 6d0d5a1275..e24381e4a9 100755
--- a/test/cmd/diff.sh
+++ b/test/cmd/diff.sh
@@ -40,3 +40,20 @@ run_kubectl_diff_tests() {
     set +o nounset
     set +o errexit
 }
+
+run_kubectl_diff_same_names() {
+    set -o nounset
+    set -o errexit
+
+    create_and_use_new_namespace
+    kube::log::status "Test kubectl diff with multiple resources with the same name"
+
+    output_message=$(KUBECTL_EXTERNAL_DIFF=find kubectl diff -Rf hack/testdata/diff/)
+    kube::test::if_has_string "${output_message}" 'v1.Pod:.*.test'
+    kube::test::if_has_string "${output_message}" 'apps.v1.Deployment:.*.test'
+    kube::test::if_has_string "${output_message}" 'v1.ConfigMap:.*.test'
+    kube::test::if_has_string "${output_message}" 'v1.Secret:.*.test'
+
+    set +o nounset
+    set +o errexit
+}
diff --git a/test/cmd/legacy-script.sh b/test/cmd/legacy-script.sh
index 49c849e8b3..c838ee4d92 100755
--- a/test/cmd/legacy-script.sh
+++ b/test/cmd/legacy-script.sh
@@ -473,6 +473,7 @@ runTests() {
   # Kubectl diff #
   ################
   record_command run_kubectl_diff_tests
+  record_command run_kubectl_diff_same_names
 
   ###############
   # Kubectl get #