菜蛾科（Plutellidae）是鳞翅目下的一个科。

维基物种中的分类信息：

菜蛾科

维基共享资源中相关的多媒体资源：菜蛾科

The Plutellidae are a family of moths commonly known as the diamondback moths, named after the diamondback moth (Plutella xylostella) of European origin. Some authors consider this family to be a subfamily of the Yponomeutidae, but it is usually considered to be a family in its own right, and have four subfamilies, Ypsolophinae, Plutellinae, Praydinae, and Scythropiinae.