Euchrysops mauensis, the Mau blue, is a butterfly in the family Lycaenidae. It is found in Ethiopia, Kenya, Tanzania, Rwanda, Burundi and Kivu in the Democratic Republic of the Congo. The habitat consists of open grassland.

Subspecies

  • Euchrysops mauensis mauensis (Kenya: highlands west of the Rift Valley, northern Tanzania, Rwanda, Burundi, Democratic Republic of the Congo: Kivu)
  • Euchrysops mauensis abyssiniae Storace, 1950 (Ethiopia)