Family name ชัยวรรณ (ชัยวรรณ 
, Chaiwan 
) , around the world, is quite a common last name. The last name ชัยวรรณ is characteristic of Thailand, where it is quite a rare surname, the United States, where it is an extremely rare surname, and India. Very seldom, ชัยวรรณ is the forename as well as the last name.