Last name كوسي (Kosi 
, Kossi 
, Cosey 
) , throughout the world, is a common family name. The last name كوسي is characteristic of Togo, where it is quite a common surname, Slovenia, and the Democratic Republic of the Congo. Not in comparison with a country's population, the name is most common in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, Ethiopia, and Togo. Also, كوسي is the forename as well as the last name.