Throughout the world, Vansak (Vansak 
, วันศักดิ์ ) is a very rare dominantly masculine, but infrequently girly first name. The first name Vansak is characteristic of Thailand, where it is a very rare predominantly male, but very seldom feminine name, and India, where it is an extremely rare gender-neutral name. Much less frequently, Vansak is the last name as well as the forename.