Throughout the world, Sawin (Sawin 
, สวิน , Савин 
) is quite a rare unisex first name. The first name Sawin is habitual in Thailand, where it is a rare epicene name, Iraq, and Indonesia, where it is a rare largely masculine, but seldom girly name. Measured by absolute frequency, it is the most numerous in India, Indonesia, and Thailand. More frequently, Sawin is the last name as well as the forename.