Euchrysops crawshayi, Crawshay's blue, is a butterfly in the family Lycaenidae. It is found in Kenya, Uganda, Tanzania, Burundi, Rwanda, Sudan and the Democratic Republic of the Congo. The habitat consists of moist savanna.
The larvae feed on Anchusa species, Cynoglossum coeruleum and Cynoglossum lanceolatum. They are attended by many species of ants, including Monomorium minutum var. pallipes.