Afroclanis calcareus is a moth of the family Sphingidae. It is known from Brachystegia woodland from northern South Africa, Zimbabwe and Mozambique to Malawi, Zambia, the Democratic Republic of the Congo and Tanzania.
The length of the forewings is 29âÂÂ32 mm for males and 34âÂÂ36 mm for females and the wingspan is 68âÂÂ76 mm.