Gymnopilus subpurpuratus is a species of mushroom in the family Hymenogastraceae.

The type specimen was found in Jalisco, Mexico, growing on rotting pine wood in a garden.

The fungus was described as new to science in 1991 by Gastón Guzmán and his daughter Laura Guzmán Dávalos.

[1] This species is in the aeruginosus-luteofolius infrageneric grouping in the genus Gymnopilus.

[2] Media related to Gymnopilus subpurpuratus at Wikimedia Commons