Hadenoecus is a genus of common cave cricket of the southeastern United States[1] and typical of the tribe Hadenoecini.

An interesting characteristic of these crickets is their long antennae and powerful rear legs which allow for quick movement in the dark cave system.

Much research has been conducted on the ecosystems of which the cave cricket is a part.

The Mammoth Cave system in central Kentucky is populated by the species Hadenoecus subterraneus.

These five species belong to the genus Hadenoecus: Data sources: i = ITIS,[2] c = Catalogue of Life,[3] g = GBIF,[4] b = Bugguide.net[5]