Arhopala bella is a butterfly in the family Lycaenidae.

It was described by George Thomas Bethune-Baker in 1896.

It is found in the Indomalayan realm where it is endemic to Borneo.

[2][3] In the male the upper surface is brown, but the marginal areas in both wings show a violettish-blue reflection ; in the female the whole upper surface is lilac-blue, with a black distal margin of 3 to 4 mm width.

Under surface with very dull markings which are feebly defined.