Family name Чимен (Bwanga 
, Chimen 
, Чимен 
) , globally, is quite a rare last name. The surname Чимен is habitual in Sub-Saharan Africa, particularly Zambia, where it is quite a rare surname, Tanzania, and Cameroon. In absolute terms, this name is the most popular in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, Tanzania, and Zambia. Much less frequently, Чимен is the forename as well as the last name.