Cognomen Джуван (Juwan 
, Джуван 
) , in the entire world, is quite a rare last name. The surname Джуван is habitual in Malaysia, where it is quite a rare surname, Austria, where it is a rare surname, and Thailand. Measured by absolute frequency, it is the most numerous in South-eastern Asia, particularly Malaysia, Indonesia, and Thailand. More frequently, Джуван is the forename as well as the last name.