Albatrellus ovinus is a terrestrial fungus found in Europe and North America.

Although commonly known as sheep polypore, this fungus is not phylogenetically related to Polyporales (shelf fungi).

The cap is 4–20 centimetres (1+1⁄2–8 in) wide, convex then flat or depressed, and white then tan or pinkish.

[2] The inedible, closely related and comparatively rare Albatrellus subrubescens[3] has subtle color differences from A. ovinus, and the only spores of the former are amyloid.

In the latter, it is found from the Pacific Northwest to Northern California, in addition to the Mountain states, the Great Lakes area, the Appalachians, and the Northeast.