Pseudonympha trimenii

Trimen's Brown (Pseudonympha trimenii) is a butterfly of the Nymphalidae family. It is found in South Africa.

The wingspan is 40–52 mm for males and 44–56 mm for females. Adults are on wing from early September to late November. There is one generation per year.

The larvae feed on Poaceae grasses, including Danthonia stricta and other coarse, wiry grasses.