Cognomen Onésime (Onesime 
, Onésime 
) , around the world, is quite a rare surname. The family name Onésime is characteristic of Sub-Saharan Africa, particularly Burundi, where it is quite a rare surname, Cameroon, where it is a rare surname, and the Democratic Republic of the Congo. Measured by absolute frequency, the name is most common in Sub-Saharan Africa, particularly Burundi, Ethiopia, and the Democratic Republic of the Congo. More prevalently, Onésime is the forename as well as the last name.