Megasporoporiella is a genus of five species of white rot poroid crust fungi in the family Polyporaceae.
It was circumscribed in 2013 as a segregate genus of Megasporoporia.
Characteristics of the genus include a dimitic hyphal structure, and skeletal hyphae that are weakly to moderately dextrinoid.
Megasporoporiella has a primarily temperate distribution.
The generic name refers to its similarity to Megasporoporia.