Diplomitoporus is a genus of fungi in the family Polyporaceae.

The Dictionary of the Fungi (10th edition, 2008) estimated the widespread genus to contain 11 species;[4] since then, the genus has grown with the additional of several newly described species, and some transfers from other genera.

Diplomitoporus has been described as a wastebasket taxon, containing "species that share common macroscopic and microscopic characteristics, but are not necessarily related.

[1] This species was originally described as a member of Trametes by Giacomo Bresadola in 1903.

[6] As of June 2017[update], Index Fungorum accepts 21 species of Diplomitoporus:[7]