Throughout the world, ชัยวัน (ชัยวัน 
, Chaiwan 
) is a very rare gender-neutral first name. The first name ชัยวัน is habitual in South-eastern Asia, particularly Thailand, where it is a rare dominantly masculine, but uncommonly girly name. More prevalently, ชัยวัน is the last name as well as the forename.