Arhopala ijanensis is a butterfly in the family Lycaenidae. It was described by George Thomas Bethune-Baker in 1897. It is found in the Indomalayan realm (Burma, Thailand, Peninsular Malaya, Mergui, and Langkawi).[1]
Easily recognized by the smalt blue upper surface, and the under surface being bright dark brown on a light ochreous-brown ground.[2]