小头蛇属（学名：Oligodon）是蛇亚目游蛇科下的一个蛇属，主要分布于亚洲南亚地区。

小头蛇属目前有以下品种：

Oligodon is genus of colubrid snakes that was first described by the Austrian zoologist Fitzinger in 1826. This genus is widespread throughout central and tropical Asia.