diff --git a/rest_framework/exceptions.py b/rest_framework/exceptions.py
index bc20fcaa3..037d071fd 100644
--- a/rest_framework/exceptions.py
+++ b/rest_framework/exceptions.py
@@ -203,7 +203,11 @@ class NotFound(APIException):
     default_detail = _('Not found.')
     default_code = 'not_found'
 
-
+class Conflict(APIException):
+    status_code = status.HTTP_409_CONFLICT
+    default_detail = _('Conflict request.')
+    default_code = 'conflict_error'
+    
 class MethodNotAllowed(APIException):
     status_code = status.HTTP_405_METHOD_NOT_ALLOWED
     default_detail = _('Method "{method}" not allowed.')