Cognomen ロカ (Roka 
, Loka 
, Roca ) , all over the world, is a widespread surname. The family name ロカ is characteristic of Bolivia, where it is a common surname, Nepal, where it is quite a common surname, and Egypt (explore the name in all countries). In absolute terms, it most frequently occurs in Egypt, Nepal, and Spain. Also, ロカ is the forename as well as the last name.