Arhopala irregularis is a butterfly in the family Lycaenidae.

It was described by George Thomas Bethune-Baker in 1903.

It is found in Sulawesi and Banggai in the Australasian realm.

[2] irregularisis similar to the preceding species, but considerably larger, the marking beneath also very irregular, though not so variegated as in abseus; the male above has a broader dark marginal band and a very dark blue on the upper surface.

This Theclinae-related article is a stub.