Erebus walkeri is a moth of the Erebidae family. It is found in Angola, the Comoros, the Democratic Republic of Congo, Ghana, Kenya, La Réunion, Madagascar, Malawi, Mauritius, Mozambique, Nigeria, Rwanda, the Seychelles, South Africa (KwaZulu-Natal), São Tomé & Principe, Tanzania, Gambia, Uganda, Zambia and Zimbabwe.