Chrysoritis penningtoni, the Pennington's opal, is a species of butterfly in the family Lycaenidae. It is endemic to South Africa, where it is found on the high slopes of the Amatolas in the Eastern Cape.
The wingspan is 18âÂÂ22 mm for males and 20âÂÂ24 mm for females. Adults are on wing from October to March, with a peak in December.