Family name Эрван (Erwan 
, Эрван 
) , around the world, is quite a common cognomen. The surname Эрван is characteristic of South-eastern Asia, particularly Brunei, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Indonesia. Not in comparison with a country's population, it most frequently occurs in Indonesia, Malaysia, and France. More prevalently, Эрван is the forename as well as the last name.