Cognomen ស៊ីវ៉ាន (ស៊ីវ៉ាន 
) , in all the world, is an extremely rare last name. The surname ស៊ីវ៉ាន is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. Much more frequently, ស៊ីវ៉ាន is the forename as well as the last name.