Colotis elgonensis, the Elgon crimson tip or mountain crimson tip, is a butterfly in the Pieridae family. It is found in Nigeria, Cameroon, the Democratic Republic of the Congo, Sudan, Uganda, Rwanda, Burundi, Kenya and Tanzania. The habitat consists of undisturbed submontane forests. The larvae feed on Maerua, Boscia, Capparis, Cadaba and Ritchiea species.