Horseshoe bats are bats in the family Rhinolophidae, which is in the superfamily Rhinolophoidea. All extant horseshoe bats are in the genus Rhinolophus. There is one extinct genus of horseshoe bats, Palaeonycteris. As of 2019, there were 106 described species in Rhinolophus, making it the second-most speciose genus of bat after Myotis.