Surname 科斯 (Cos 
, 科斯 
, Coss 
) , in all the world, is a common cognomen. The last name 科斯 is characteristic of Latin America and the Caribbean, particularly Guatemala, where it is quite a common surname, Puerto Rico, and Mexico, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Mexico, Guatemala, and Philippines. Much less frequently, 科斯 is the forename as well as the last name.