Charaxes ansorgei is a butterfly in the family Nymphalidae. It is found in Sudan, the Democratic Republic of Congo, Uganda, Rwanda, Burundi, Kenya, Tanzania, Malawi and Zambia. The habitat consists of montane forest on altitudes between 2,000 and 3,000 meters. The larvae feed on Bersama abyssinica abyssinica, Bersama abyssinica englerana and .It was once considered to be a very rare species but it is relatively common in dense and inaccessible montane forests