Hysterangium is a genus of truffle-like fungi in the family Hysterangiaceae. The genus is widespread, especially in temperate regions, and contains more than 60 species. Hysterangium was circumscribed by Italian mycologist Carlo Vittadini in 1831.
, Index Fungorum lists 64 valid species of Hysterangium:
Another list can be found in Catalogue of Life, which also lists Hysterangium atratum <small>Rodway 1920 </small>, Hysterangium burburianum Rodway 1918, and others.
A further species, Hysterangium bonobo, has been reported by Elliott et al. in September 2020.