Papilio erskinei is a species of swallowtail butterfly from the genus Papilio that is found on Ugi Island.

Male: forewing more rounded than in the two preceding species [Papilio woodfordi,Papilio ptolychus] above with a row of spots from the costal to the hindmargin, all the spots separated with the exception of the last three, beneath with four large, separated subapical spots.

The band of the forewing touches the apex of the cell and is as broad in the middle as the black marginal area; the red anal spot large; beneath a complete row of red submarginal spots.

Godman, now in the British Museum).Karl Jordan in Seitz.

[3] Papilio erskinei is a member of the aegeus species-group.