Massarina is a genus of fungi in the Massarinaceae family. The widespread genus contains about 125 species. Anamorph forms of species in Massarina include Acrocalymma, , and . Massarina was circumscribed by Pier Andrea Saccardo in 1883. The genus name of Massarina is in honour of Giuseppe Filippo Massara (1792-1839), who was an Italian doctor and botanist, working in Sondrio.