The Lesser Spot-nosed Guenon, Lesser Spot-nosed Monkey, Lesser White-nosed Guenon, or Lesser White-nosed Monkey (Cercopithecus petaurista) is a species of primate in the Cercopithecidae family. It is found in Benin, Ivory Coast, Ghana, Guinea, Liberia, Sierra Leone, Togo, possibly Gambia, possibly Guinea-Bissau, and possibly Senegal.