Bicyclus milyas, the lesser rock bush brown, is a butterfly in the family Nymphalidae. It is found in Senegal, the Gambia, Guinea-Bissau, Mali, Guinea, Burkina Faso, northern Sierra Leone, northern Ivory Coast, northern Ghana, northern Togo, northern Benin, northern Nigeria, the northern part of the Democratic Republic of the Congo, Sudan, northern Uganda, south-western Ethiopia and Kenya.[1] The habitat consists of dry savanna.
The larvae feed on Imperata cylindrica and Pennisetum purpureum.