Family name 加佳 (Jiajia 
, 加佳 ) , globally, is quite a rare last name. The cognomen 加佳 is habitual in Singapore, where it is quite a rare surname, Malaysia, where it is a rare surname, and China. In absolute terms, it most frequently occurs in China, Indonesia, and Malaysia. Much more frequently, 加佳 is the forename as well as the last name.