蛇鳗科为辐鳍鱼纲鳗鲡目的一个科。

蛇鳗科下分58个属，如下：

The Ophichthidae are a family of eels, commonly called worm eels and snake eels. The term "Ophichthidae" comes from Greek ophis ("serpent") and ichthys ("fish"). Snake eels are also burrowing eels, they are named for their physical appearance, they have long, cylindrical snakelike bodies.