Surname Wjj (Wjj 
) , globally, is a rare cognomen. The last name Wjj is habitual in Taiwan, where it is a rare surname, Malaysia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Taiwan, China, and Malaysia. Likewise, Wjj is the forename as well as the last name.