Surname Kuriyama (クリヤマ , Kuriyama , 茂久 ) , throughout the world, is quite a rare family name. The cognomen Kuriyama is characteristic of Japan, where it is a rare surname, Brazil, and Singapore. Not in comparison with a country's population, this name is the most popular in Brazil, Japan, and the United States. More frequently, Kuriyama is the forename as well as the last name.