Pseudonympha penningtoni, or Pennington's brown, is a butterfly of the family Nymphalidae. It is found in South Africa, mainly in Lesotho at altitudes ranging from about 2,700 meters to the highest summits. It is also found in the Eastern Cape and the summits of the Drakensberg in KwaZulu-Natal.
The wingspan is 30âÂÂ32 mm for males and 29âÂÂ31 mm for females. Adults are on wing from December to February. There is one generation per year.
The larvae probably feed on Poaceae grasses.