diff --git a/messages/en-US.json b/messages/en-US.json
index f377c653d..ccc20c13a 100644
--- a/messages/en-US.json
+++ b/messages/en-US.json
@@ -292,6 +292,8 @@
     "labelDelete": "Delete Label",
     "labelAdd": "Add Label",
     "labelCreateSuccessMessage": "Label Created Successfully",
+    "labelDuplicateError": "Duplicate Label",
+    "labelDuplicateErrorDescription": "A label with this name already exists.",
     "labelEditSuccessMessage": "Label Modified Successfully",
     "labelNameField": "Label Name",
     "labelColorField": "Label Color",
diff --git a/server/private/routers/labels/createOrgLabel.ts b/server/private/routers/labels/createOrgLabel.ts
index 074a96207..c856eecf4 100644
--- a/server/private/routers/labels/createOrgLabel.ts
+++ b/server/private/routers/labels/createOrgLabel.ts
@@ -22,7 +22,7 @@ import response from "@server/lib/response";
 import logger from "@server/logger";
 import type { CreateOrEditLabelResponse } from "@server/routers/labels/types";
 import HttpCode from "@server/types/HttpCode";
-import { and, eq } from "drizzle-orm";
+import { and, eq, sql } from "drizzle-orm";
 import { NextFunction, Request, Response } from "express";
 import createHttpError from "http-errors";
 import { z } from "zod";
@@ -107,6 +107,26 @@ export async function createOrgLabel(
             }
         }
 
+        const [existingLabel] = await db
+            .select({ labelId: labels.labelId })
+            .from(labels)
+            .where(
+                and(
+                    eq(labels.orgId, orgId),
+                    sql`LOWER(${labels.name}) = ${name.toLowerCase()}`
+                )
+            )
+            .limit(1);
+
+        if (existingLabel) {
+            return next(
+                createHttpError(
+                    HttpCode.CONFLICT,
+                    "A label with this name already exists"
+                )
+            );
+        }
+
         const label = await db.transaction(async (tx) => {
             const [label] = await tx
                 .insert(labels)
diff --git a/server/private/routers/labels/updateOrgLabel.ts b/server/private/routers/labels/updateOrgLabel.ts
index eb5f5177a..134a01f02 100644
--- a/server/private/routers/labels/updateOrgLabel.ts
+++ b/server/private/routers/labels/updateOrgLabel.ts
@@ -16,7 +16,7 @@ import response from "@server/lib/response";
 import logger from "@server/logger";
 import type { CreateOrEditLabelResponse } from "@server/routers/labels/types";
 import HttpCode from "@server/types/HttpCode";
-import { and, eq } from "drizzle-orm";
+import { and, eq, ne, sql } from "drizzle-orm";
 import { NextFunction, Request, Response } from "express";
 import createHttpError from "http-errors";
 import { z } from "zod";
@@ -74,6 +74,29 @@ export async function updateOrgLabel(
 
         const { name, color } = parsedBody.data;
 
+        if (name && name.toLowerCase() !== existing.name.toLowerCase()) {
+            const [duplicateLabel] = await db
+                .select({ labelId: labels.labelId })
+                .from(labels)
+                .where(
+                    and(
+                        eq(labels.orgId, orgId),
+                        ne(labels.labelId, labelId),
+                        sql`LOWER(${labels.name}) = ${name.toLowerCase()}`
+                    )
+                )
+                .limit(1);
+
+            if (duplicateLabel) {
+                return next(
+                    createHttpError(
+                        HttpCode.CONFLICT,
+                        "A label with this name already exists"
+                    )
+                );
+            }
+        }
+
         const [label] = await db
             .update(labels)
             .set({
diff --git a/src/components/CreateOrgLabelDialog.tsx b/src/components/CreateOrgLabelDialog.tsx
index 9e1ab12f5..047e6289f 100644
--- a/src/components/CreateOrgLabelDialog.tsx
+++ b/src/components/CreateOrgLabelDialog.tsx
@@ -52,12 +52,20 @@ export function CreateOrgLabelDialog({
                     description: t("labelCreateSuccessMessage")
                 });
             }
-        } catch (e) {
-            toast({
-                title: t("error"),
-                description: formatAxiosError(e, t("errorOccurred")),
-                variant: "destructive"
-            });
+        } catch (e: any) {
+            if (e.response?.status === 409) {
+                toast({
+                    title: t("labelDuplicateError"),
+                    description: t("labelDuplicateErrorDescription"),
+                    variant: "destructive"
+                });
+            } else {
+                toast({
+                    title: t("error"),
+                    description: formatAxiosError(e, t("errorOccurred")),
+                    variant: "destructive"
+                });
+            }
         }
     }
 
diff --git a/src/components/EditOrgLabelDialog.tsx b/src/components/EditOrgLabelDialog.tsx
index 98891cd38..23bd6f88c 100644
--- a/src/components/EditOrgLabelDialog.tsx
+++ b/src/components/EditOrgLabelDialog.tsx
@@ -58,12 +58,20 @@ export function EditOrgLabelDialog({
                     description: t("labelEditSuccessMessage")
                 });
             }
-        } catch (e) {
-            toast({
-                title: t("error"),
-                description: formatAxiosError(e, t("errorOccurred")),
-                variant: "destructive"
-            });
+        } catch (e: any) {
+            if (e.response?.status === 409) {
+                toast({
+                    title: t("labelDuplicateError"),
+                    description: t("labelDuplicateErrorDescription"),
+                    variant: "destructive"
+                });
+            } else {
+                toast({
+                    title: t("error"),
+                    description: formatAxiosError(e, t("errorOccurred")),
+                    variant: "destructive"
+                });
+            }
         }
     }
 
diff --git a/src/components/labels-selector.tsx b/src/components/labels-selector.tsx
index 788d9fe7d..5cf7ce944 100644
--- a/src/components/labels-selector.tsx
+++ b/src/components/labels-selector.tsx
@@ -112,12 +112,20 @@ export function LabelsSelector({
                 },
                 "attach"
             );
-        } catch (e) {
-            toast({
-                title: t("error"),
-                description: formatAxiosError(e, t("errorOccurred")),
-                variant: "destructive"
-            });
+        } catch (e: any) {
+            if (e.response?.status === 409) {
+                toast({
+                    title: t("labelDuplicateError"),
+                    description: t("labelDuplicateErrorDescription"),
+                    variant: "destructive"
+                });
+            } else {
+                toast({
+                    title: t("error"),
+                    description: formatAxiosError(e, t("errorOccurred")),
+                    variant: "destructive"
+                });
+            }
         }
         setlabelsSearchQuery("");
     }