Cognomen بيلوك (Belloc 
, Bylock 
, بيلوك) , all over the world, is quite a rare surname. The cognomen بيلوك is characteristic of France, where it is quite a rare surname, Sweden, where it is a rare surname, and Argentina. Not in comparison with a country's population, it most frequently occurs in France, Mexico, and the United States. Much less frequently, بيلوك is the forename as well as the last name.