In the entire world, Phasin (พศิน 
, Phasin 
, พศิณ ) is quite a rare principally masculine, but very infrequently feminine first name. The first name Phasin is characteristic of Thailand, where it is quite a rare predominantly male, but very infrequently girly name, and India, where it is an extremely rare epicene name. Very seldom, Phasin is the last name as well as the forename.