diff --git a/.env.example b/.env.example
index 7f84578..dd216a8 100755
--- a/.env.example
+++ b/.env.example
@@ -70,4 +70,7 @@ SMTP_FROM_NAME=Docker Fullstack Template
 SMTP_ENCRYPTION=tls
 
 # Email verification setting
-EMAIL_VERIFICATION_ENABLE=false
\ No newline at end of file
+EMAIL_VERIFICATION_ENABLE=false
+
+# Registration setting
+REGISTRATION_ENABLE=true
\ No newline at end of file
diff --git a/backend/api/auth/controller.py b/backend/api/auth/controller.py
index e1f8ca3..5a255d4 100644
--- a/backend/api/auth/controller.py
+++ b/backend/api/auth/controller.py
@@ -45,6 +45,7 @@
     NotFoundException,
     ValidationException,
     EmailVerificationRequiredException,
+    RegistrationDisabledException,
 )
 
 logger = logging.getLogger(__name__)
@@ -58,7 +59,8 @@
     responses=parse_responses({
         200: ("User registered successfully", UserLoginResponse),
         202: ("Email verification required", None),
-        409: ("Email already exists", None)
+        409: ("Email already exists", None),
+        503: ("Registration is disabled", None)
     }, common_responses)
 )
 async def register_api(
@@ -107,6 +109,8 @@ async def register_api(
         raise HTTPException(status_code=202, detail=resp.dict(exclude_none=True))
     except ConflictException:
         raise HTTPException(status_code=409, detail="Email already exists")
+    except RegistrationDisabledException:
+        raise HTTPException(status_code=503, detail="Registration is disabled")
     except Exception:
         raise HTTPException(status_code=500)
 
diff --git a/backend/api/auth/services.py b/backend/api/auth/services.py
index 39b1c7a..c83c583 100644
--- a/backend/api/auth/services.py
+++ b/backend/api/auth/services.py
@@ -43,6 +43,7 @@
     ServerException,
     ValidationException,
     EmailVerificationRequiredException,
+    RegistrationDisabledException,
 )
 
 
@@ -55,6 +56,9 @@ async def register(
     mailer: Optional[SMTPMailer] = None
 ) -> LoginResult:
     """User register"""
+    if not settings.REGISTRATION_ENABLE:
+        raise RegistrationDisabledException("Registration is disabled")
+    
     user = await _create_user(db, user_data)
     
     # Check if email verification is required
diff --git a/backend/core/config.py b/backend/core/config.py
index 01039d0..40cdf16 100644
--- a/backend/core/config.py
+++ b/backend/core/config.py
@@ -60,7 +60,10 @@ class Settings(BaseSettings):
     PASSWORD_MIN_LENGTH: int = 6
     RATE_LIMIT: int = 200
     RATE_LIMIT_WINDOW_SECONDS: int = 300  # 5 minutes
-    BLOCK_TIME_SECONDS: int = 600  # 10 minutes   
+    BLOCK_TIME_SECONDS: int = 600  # 10 minutes
+
+    # Registration settings
+    REGISTRATION_ENABLE: bool = True
 
     # SMTP setting
     SMTP_ENABLE: bool = False
diff --git a/backend/tests/api/auth/test_controller.py b/backend/tests/api/auth/test_controller.py
index 1df58b0..a6fceb8 100644
--- a/backend/tests/api/auth/test_controller.py
+++ b/backend/tests/api/auth/test_controller.py
@@ -11,7 +11,8 @@
     NotFoundException,
     SMTPNotConfiguredException,
     ValidationException,
-    EmailVerificationRequiredException
+    EmailVerificationRequiredException,
+    RegistrationDisabledException,
 )
 from core.security import (
     verify_password_reset_token,
@@ -105,6 +106,27 @@ async def test_register_email_verification_required(self, client: AsyncClient):
             assert data["code"] == 202
             assert data["message"] == "Email verification required"
 
+    @pytest.mark.asyncio
+    async def test_register_disabled(self, client: AsyncClient):
+        """Test registration when registration is disabled"""
+        register_data = {
+            "first_name": "John",
+            "last_name": "Doe",
+            "email": "john.doe@example.com",
+            "phone": "+1234567890",
+            "password": "TestPassword123!",
+        }
+
+        with patch("api.auth.controller.register") as mock_register:
+            mock_register.side_effect = RegistrationDisabledException("Registration is disabled")
+
+            response = await client.post("/api/auth/register", json=register_data)
+
+            assert response.status_code == 503
+            data = response.json()
+            assert data["code"] == 503
+            assert data["message"] == "Registration is disabled"
+
     @pytest.mark.asyncio
     async def test_register_server_error(self, client: AsyncClient):
         """Test registration with server error"""
diff --git a/backend/tests/api/auth/test_service.py b/backend/tests/api/auth/test_service.py
index 9b5b478..3845c3c 100644
--- a/backend/tests/api/auth/test_service.py
+++ b/backend/tests/api/auth/test_service.py
@@ -38,6 +38,7 @@
     SMTPNotConfiguredException,
     ValidationException,
     EmailVerificationRequiredException,
+    RegistrationDisabledException,
 )
 from core.config import settings
 
@@ -57,17 +58,18 @@ async def test_register_success(self, test_db_session: AsyncSession):
             password="TestPassword123!",
         )
 
-        result = await register(
-            test_db_session, mock_redis, user_data, "127.0.0.1", "TestAgent/1.0"
-        )
+        with patch.object(settings, "REGISTRATION_ENABLE", True):
+            result = await register(
+                test_db_session, mock_redis, user_data, "127.0.0.1", "TestAgent/1.0"
+            )
 
-        assert "user" in result
-        assert "session_id" in result
-        assert "access_token" in result
-        assert result["user"].email == user_data.email
-        assert result["user"].first_name == user_data.first_name
-        assert result["user"].last_name == user_data.last_name
-        assert result["user"].phone == user_data.phone
+            assert "user" in result
+            assert "session_id" in result
+            assert "access_token" in result
+            assert result["user"].email == user_data.email
+            assert result["user"].first_name == user_data.first_name
+            assert result["user"].last_name == user_data.last_name
+            assert result["user"].phone == user_data.phone
 
     @pytest.mark.asyncio
     async def test_register_email_already_exists(
@@ -83,12 +85,33 @@ async def test_register_email_already_exists(
             password="TestPassword123!",
         )
 
-        with pytest.raises(ConflictException) as exc_info:
-            await register(
-                test_db_session, mock_redis, user_data, "127.0.0.1", "TestAgent/1.0"
-            )
+        with patch.object(settings, "REGISTRATION_ENABLE", True):
+            with pytest.raises(ConflictException) as exc_info:
+                await register(
+                    test_db_session, mock_redis, user_data, "127.0.0.1", "TestAgent/1.0"
+                )
 
-        assert "Email already exists" in str(exc_info.value)
+            assert "Email already exists" in str(exc_info.value)
+
+    @pytest.mark.asyncio
+    async def test_register_disabled(self, test_db_session: AsyncSession):
+        """Test registration when registration is disabled"""
+        mock_redis = AsyncMock()
+        user_data = UserRegister(
+            first_name="John",
+            last_name="Doe",
+            email="john.doe@example.com",
+            phone="+1234567890",
+            password="TestPassword123!",
+        )
+
+        with patch.object(settings, "REGISTRATION_ENABLE", False):
+            with pytest.raises(RegistrationDisabledException) as exc_info:
+                await register(
+                    test_db_session, mock_redis, user_data, "127.0.0.1", "TestAgent/1.0"
+                )
+
+            assert "Registration is disabled" in str(exc_info.value)
 
     @pytest.mark.asyncio
     async def test_login_success(self, test_db_session: AsyncSession, test_user: Users):
@@ -696,9 +719,9 @@ async def test_register_email_verification_cooldown(self, test_db_session: Async
             password="TestPassword123!",
         )
 
-        with patch.object(settings, "EMAIL_VERIFICATION_ENABLE", True), patch.object(
-            settings, "SMTP_ENABLE", True
-        ):
+        with patch.object(settings, "REGISTRATION_ENABLE", True), patch.object(
+            settings, "EMAIL_VERIFICATION_ENABLE", True
+        ), patch.object(settings, "SMTP_ENABLE", True):
             with pytest.raises(EmailVerificationRequiredException):
                 await register(
                     test_db_session,
@@ -727,9 +750,9 @@ async def test_register_email_verification_send(self, test_db_session: AsyncSess
             password="TestPassword123!",
         )
 
-        with patch.object(settings, "EMAIL_VERIFICATION_ENABLE", True), patch.object(
-            settings, "SMTP_ENABLE", True
-        ):
+        with patch.object(settings, "REGISTRATION_ENABLE", True), patch.object(
+            settings, "EMAIL_VERIFICATION_ENABLE", True
+        ), patch.object(settings, "SMTP_ENABLE", True):
             with pytest.raises(EmailVerificationRequiredException):
                 await register(
                     test_db_session,
diff --git a/backend/utils/custom_exception.py b/backend/utils/custom_exception.py
index 007b89d..282a868 100644
--- a/backend/utils/custom_exception.py
+++ b/backend/utils/custom_exception.py
@@ -78,4 +78,9 @@ def __init__(self, message: str = "Token error", details: Dict[str, Any] = None)
 class SMTPNotConfiguredException(BaseServiceException):
     """SMTP configuration related exceptions"""
     def __init__(self, message: str = "SMTP is not configured", details: Dict[str, Any] = None):
-        super().__init__(message=message, error_code="SMTP_NOT_CONFIGURED", details=details, status_code=503, log_level="warning")
\ No newline at end of file
+        super().__init__(message=message, error_code="SMTP_NOT_CONFIGURED", details=details, status_code=503, log_level="warning")
+
+class RegistrationDisabledException(BaseServiceException):
+    """Registration disabled exception"""
+    def __init__(self, message: str = "Registration is disabled", details: Dict[str, Any] = None):
+        super().__init__(message=message, error_code="REGISTRATION_DISABLED", details=details, status_code=503, log_level="warning")
\ No newline at end of file
diff --git a/docker-compose-prod.yaml b/docker-compose-prod.yaml
index 79e0dc5..cbea83c 100755
--- a/docker-compose-prod.yaml
+++ b/docker-compose-prod.yaml
@@ -69,6 +69,8 @@ services:
       - VITE_API_PORT=${API_PORT}
       # SMTP settings
       - VITE_SMTP_ENABLE=${SMTP_ENABLE}
+      # Registration settings
+      - VITE_REGISTRATION_ENABLE=${REGISTRATION_ENABLE}
     command: ["sh", "./init-prod.sh"]
     depends_on:
       backend:
@@ -123,6 +125,8 @@ services:
       - SMTP_ENCRYPTION=${SMTP_ENCRYPTION}
       # Email verification settings
       - EMAIL_VERIFICATION_ENABLE=${EMAIL_VERIFICATION_ENABLE}
+      # Registration settings
+      - REGISTRATION_ENABLE=${REGISTRATION_ENABLE}
     command: ["sh", "./init-prod.sh"]
     depends_on:
       mariadb:
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 8de1f62..9a3ba96 100755
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -68,6 +68,8 @@ services:
       - VITE_API_PORT=${API_PORT:-5000}
       # SMTP settings
       - VITE_SMTP_ENABLE=${SMTP_ENABLE:-false}
+      # Registration settings
+      - VITE_REGISTRATION_ENABLE=${REGISTRATION_ENABLE:-true}
     command: ["sh", "./init-dev.sh"]
     depends_on:
       backend:
@@ -122,6 +124,8 @@ services:
       - SMTP_ENCRYPTION=${SMTP_ENCRYPTION:-tls}
       # Email verification settings
       - EMAIL_VERIFICATION_ENABLE=${EMAIL_VERIFICATION_ENABLE:-false}
+      # Registration settings
+      - REGISTRATION_ENABLE=${REGISTRATION_ENABLE:-true}
     command: ["sh", "./init-dev.sh"]
     depends_on:
       mariadb:
diff --git a/frontend/src/components/auth/login-form.jsx b/frontend/src/components/auth/login-form.jsx
index 4cb7c7a..c0f7b81 100644
--- a/frontend/src/components/auth/login-form.jsx
+++ b/frontend/src/components/auth/login-form.jsx
@@ -370,16 +370,18 @@ export const LoginForm = ({ className, redirectTo = '/', ...props }) => {
           isSubmitting={isSubmitting}
         />
         
-        <div className="text-center text-sm flex items-center justify-center gap-2">
-          <span className="text-muted-foreground">{t('pages.auth.login.links.newUser', { defaultValue: 'New user? ' })}</span>
-          <Link 
-            to="/auth/register" 
-            className="font-medium text-primary hover:underline"
-            state={location.state}
-          >
-            {t('pages.auth.login.links.register', { defaultValue: 'Sign up' })}
-          </Link>
-        </div>
+        {ENV.REGISTRATION_ENABLE && (
+          <div className="text-center text-sm flex items-center justify-center gap-2">
+            <span className="text-muted-foreground">{t('pages.auth.login.links.newUser', { defaultValue: 'New user? ' })}</span>
+            <Link 
+              to="/auth/register" 
+              className="font-medium text-primary hover:underline"
+              state={location.state}
+            >
+              {t('pages.auth.login.links.register', { defaultValue: 'Sign up' })}
+            </Link>
+          </div>
+        )}
       </form>
     </Form>
   )
diff --git a/frontend/src/config/env.config.js b/frontend/src/config/env.config.js
index ecf1ca1..815900b 100755
--- a/frontend/src/config/env.config.js
+++ b/frontend/src/config/env.config.js
@@ -13,6 +13,8 @@ export const ENV = {
     API_PORT: import.meta.env.VITE_API_PORT || 5000,
     // SMTP settings
     SMTP_ENABLE: import.meta.env.VITE_SMTP_ENABLE === 'true' || false,
+    // Registration settings
+    REGISTRATION_ENABLE: import.meta.env.VITE_REGISTRATION_ENABLE === 'true' || false,
 };
 
 export default ENV;
\ No newline at end of file
diff --git a/frontend/src/router/routes.js b/frontend/src/router/routes.js
index e5f018c..e59e608 100755
--- a/frontend/src/router/routes.js
+++ b/frontend/src/router/routes.js
@@ -64,7 +64,8 @@ export const routes = [
       showInSidebar: false,
     },
   },
-  {
+  // Only include register route when registration is enabled
+  ...(ENV.REGISTRATION_ENABLE ? [{
     path: "/auth/register",
     element: "Auth",
     requireAuth: false,
@@ -72,7 +73,7 @@ export const routes = [
     sidebar: {
       showInSidebar: false,
     },
-  },
+  }] : []),
   {
     path: "/auth/reset-password",
     element: "Auth",