Throughout the world, Phieu (Phieu 
, Phiếu ) is a very rare predominantly boy's, but very infrequently feminine given name. The first name Phieu is habitual in Vietnam, where it is a very rare principally masculine, but very infrequently girly name, and the United States, where it is an extremely rare principally male, but very seldom feminine name. Also, Phieu is the last name as well as the forename.