Cognomen コマ (Koma 
, コマ ) , in all the world, is a common last name. The last name コマ is habitual in Sub-Saharan Africa, particularly Lesotho, where it is quite a common surname, the Democratic Republic of the Congo, and Botswana, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in the Democratic Republic of the Congo, South Africa, and India. Also, コマ is the forename as well as the last name.