Lepidochrysops trimeni, the Trimen's blue, is a butterfly of the family Lycaenidae.

It is found in South Africa, where it is known from the Western Cape.

Adults are on wing from September to January or February, with a peak depending on rainfall but usually from October to November.

[3] The larvae feed on Selago species (including Selago serrata) and Aspalathus sarcantha.

Third and later instar larvae feed on the brood of Camponotus maculatus ants.