Kronichthys is a genus of armored catfishes endemic to Brazil.

The genus is named in honor of naturalist-archaeologist Ricardo Krone (1861-1917), who collected the type species specimen.

There are currently three recognized species in this genus:[2] Kronichthys species are small, cylindrical fishes similar to the hypoptopomatine Schizolecis.

The color pattern is dark brown with a slight mottling or four dorsal saddles, and the abdomen mostly white.

This article relating to Neoplecostominae is a stub.