Finkia is a genus of fungi within the family Lichinaceae. This is a monotypic genus, containing the single species Finkia portoricensis. It is found in Puerto Rico. The genus name of Finkia is in honour of Bruce Fink (1861 – 1927), who was a prominent American lichenologist. The genus was circumscribed by Edvard August Vainio in Mycologia Vol.21 on page 34 in 1929.