Arhopala agesilaus is a species of butterfly belonging to the lycaenid family described by Otto Staudinger in 1889.

It is found in Southeast Asia (Thailand, Peninsular Malaya, Langkawi, Mergui, Bangka, Borneo and the Philippines).

[1] Beneath similar to Arhopala kurzi, but of a somewhat lighter ground-colour, with a more coherent postmedian band of the hindwing.

Above distinguished by the much broader black margin also in the male, where it is about 3 mm broad.

This Theclinae-related article is a stub.