Roridomyces is a genus of fungi in the family Mycenaceae. The genus, widely distributed in temperate areas, was circumscribed by Karl-Heinz Rexer in his 1994 doctoral thesis. Species in the genus were

Roridomyces austrororidus, commonly known as the austro dripping bonnet, is a species of agaric fungus in the family Mycenaceae. Described as new to science in 1962 by American mycologist Rolf Singer,