Cognomen Cosmos (Cosmos
, コスモス
, קוסמוס
) , throughout the world, is a widespread surname. The cognomen Cosmos is habitual in Sub-Saharan Africa, particularly Nigeria, where it is quite a common surname, Ghana, where it is quite a rare surname, and Namibia. Not in comparison with a country's population, it is commonest in Nigeria, Ghana, and Brazil. Also, Cosmos is the forename as well as the last name.