横带小齿蛇鳗（学名：Ophichthus fasciatus）为蛇鳗科蛇鳗属的鱼类。在中国，分布于台湾海峡等。该物种的模式产地在福建平潭。

Ophichthus fasciatus is an eel in the family Ophichthidae (worm/snake eels). It was described by Chu Yuan-Ting and Jin Xin-Bo in 1981, originally under the genus Microdonophis. It is a marine, subtropical eel which is known from the northwestern Pacific Ocean, including China and the Peng-hu Islands. Males can reach a maximum total length of 11.5 centimetres (4.5 in).