diff --git a/commands/mr/note/mr_note_create.go b/commands/mr/note/mr_note_create.go
index 3836a329..8664fa3e 100644
--- a/commands/mr/note/mr_note_create.go
+++ b/commands/mr/note/mr_note_create.go
@@ -44,6 +44,22 @@ func NewCmdNote(f *cmdutils.Factory) *cobra.Command {
 				return fmt.Errorf("aborted... Note has an empty message")
 			}
 
+			uniqueNoteEnabled, _ := cmd.Flags().GetBool("unique")
+
+			if uniqueNoteEnabled {
+				opts := &gitlab.ListMergeRequestNotesOptions{}
+				notes, err := api.ListMRNotes(apiClient, repo.FullName(), mr.IID, opts)
+				if err != nil {
+					return fmt.Errorf("running mr note deduplication: %v", err)
+				}
+				for _, noteInfo := range notes {
+					if noteInfo.Body == body {
+						fmt.Fprintf(f.IO.StdOut, "%s#note_%d\n", mr.WebURL, noteInfo.ID)
+						return nil
+					}
+				}
+			}
+
 			noteInfo, err := api.CreateMRNote(apiClient, repo.FullName(), mr.IID, &gitlab.CreateMergeRequestNoteOptions{
 				Body: &body,
 			})
@@ -57,5 +73,6 @@ func NewCmdNote(f *cmdutils.Factory) *cobra.Command {
 	}
 
 	mrCreateNoteCmd.Flags().StringP("message", "m", "", "Comment/Note message")
+	mrCreateNoteCmd.Flags().Bool("unique", false, "Don't create a comment/note if it already exists")
 	return mrCreateNoteCmd
 }
diff --git a/commands/mr/note/mr_note_create_test.go b/commands/mr/note/mr_note_create_test.go
index 2f79d182..93d8ba0d 100644
--- a/commands/mr/note/mr_note_create_test.go
+++ b/commands/mr/note/mr_note_create_test.go
@@ -218,3 +218,43 @@ func Test_mrNoteCreate_prompt(t *testing.T) {
 		assert.Equal(t, err.Error(), "aborted... Note has an empty message")
 	})
 }
+
+func Test_mrNoteCreate_no_duplicate(t *testing.T) {
+	fakeHTTP := httpmock.New()
+	defer fakeHTTP.Verify(t)
+
+	t.Run("message provided", func(t *testing.T) {
+
+		fakeHTTP.RegisterResponder("GET", "/projects/OWNER/REPO/merge_requests/1",
+			httpmock.NewStringResponse(200, `
+		{
+  			"id": 1,
+  			"iid": 1,
+			"web_url": "https://gitlab.com/OWNER/REPO/merge_requests/1"
+		}
+	`))
+
+		fakeHTTP.RegisterResponder("GET", "/projects/OWNER/REPO/merge_requests/1/notes",
+			httpmock.NewStringResponse(200, `
+		[
+			{"id": 0, "body": "aaa"},
+			{"id": 111, "body": "bbb"},
+			{"id": 222, "body": "some note message"},
+			{"id": 333, "body": "ccc"}
+		]
+	`))
+		as, teardown := prompt.InitAskStubber()
+		defer teardown()
+		as.StubOne("some note message")
+
+		// glab mr note 1
+		output, err := runCommand(fakeHTTP, true, `1 --unique`)
+		if err != nil {
+			t.Error(err)
+			return
+		}
+		println(output.String())
+		assert.Equal(t, output.Stderr(), "")
+		assert.Equal(t, output.String(), "https://gitlab.com/OWNER/REPO/merge_requests/1#note_222\n")
+	})
+}
diff --git a/docs/source/mr/note.md b/docs/source/mr/note.md
index a5d74b7e..c1505f21 100644
--- a/docs/source/mr/note.md
+++ b/docs/source/mr/note.md
@@ -21,6 +21,7 @@ glab mr note [<id> | <branch>] [flags]
 
 ```plaintext
   -m, --message string   Comment/Note message
+      --unique           Don't create a comment/note if it already exists
 ```
 
 ## Options inherited from parent commands