Last name コカ (Coca 
, コカ 
) , across the world, is a common cognomen. The last name コカ is habitual in Bolivia, where it is quite a common surname, Romania, and El Salvador (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Bolivia, India, and Romania. Much less frequently, コカ is the forename as well as the last name.