Nacaduba ollyetti, the Woodhouse's four-line blue, is a species of Lycaenidae butterfly.

Dorsal surface of male is brown with purple blue or deep purple tinge.

Female has more bluish tinge on paler metallic blue dorsal surface.

Tornus with a large eyespot.

[3] Underside of male is faintly visible with streaks, otherwise it appears as unmarked to naked eye.