Chilades eleusis, the Sky-blue Cupid, is a butterfly in the Lycaenidae family. It is found in Senegal, Gambia, Guinea-Bissau, Burkina Faso, northern Ghana, northern Nigeria, Niger, northern Cameroon, Chad, Sudan and Egypt. The habitat consists of dry habitats, Sudan savanna and the Sahel. Adults feed from low-growing flowers. The larvae feed on Acacia species.