刺鱼目或棘背鱼目为辐鳍鱼纲的一个目，其下分2个亚目：

Gasterosteiformes is an order of ray-finned fishes that includes the sticklebacks and relatives.

In the Gasterosteiformes, the pelvic girdle is never attached to the cleithra directly, and the supramaxillary, orbitosphenoid, and basisphenoid bones are absent. The body is often partly or completely covered with dermal plates.