Thermocyclops is a genus of crustacean in family Cyclopidae.

It was first described and later extensively researched by Friedrich Kiefer, who discovered some 20 species.

[1] The species and subspecies of the genus inhabit fresh and brackish waters alike (rarely ground waters) all around the world, although most are from tropical areas.

[1] The genus contains the following species:[2]

This copepod-related article is a stub.