Cathormion altissimum (Hook.f.) Hutch. & Dandy (Fabaceae) is native to Angola, Benin, Cameroon, Central African Republic, Chad, Congo, DR Congo, Gabon, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., Ivory Coast, Liberia, Mozambique, Nigeria, Senegal, Sierra Leone, Sudan-South Sudan, Togo, Uganda, Zambia. Flora of the World documents 1 occurrence across 1 country.