Throughout the world, พิ (Phi 
, พิ 
) is a common dominantly masculine, but uncommonly female first name. The given name พิ is habitual in Vietnam, where it is quite a rare principally male, but very infrequently girly name, Macao, where it is quite a rare female name, and Australia, where it is a rare epicene name. Not in comparison with a country's population, it is commonest in Vietnam, the United States, and Indonesia. Also, พิ is the last name as well as the forename.