Arhopala sangira is a butterfly in the family Lycaenidae.

It was described by George Thomas Bethune-Baker in 1897.

It is found in the Indomalayan realm where it is endemic to the Sangihe Islands (Celebes).

[2] Has the same under surface as argentea, but the upper surface of the male is more silvery blue, and the bluish-black apical spot of the forewing is obliquely cut off.

Island of Sangir.