鲤形目是辐鳍鱼纲的骨鳔总目其中一目，其下分13科：

鲤形目为淡水鱼里最大的一个目，包括有至少400个属和4250 个种。

Cypriniformes is an order of ray-finned fish, including the carps, minnows, loaches and relatives. This order contains 11-12 families, over 400 genera, and more than 4,250 species, with new species being described every few months or so, and new genera being recognized frequently. They are most diverse in southeastern Asia, but are entirely absent from Australia and South America.