Aureofungus is an extinct monotypic genus of gilled fungus in the order Agaricales. At present it contains the single species Aureofungus yaniguaensis. The genus is solely known from the early Miocene, Burdigalian stage, Dominican amber deposits on the island of Hispaniola. Aureofungus is one of only four known agarics fungus species known in the fossil record and the third to be described from Dominican amber.