Around the world, 西尔 (Sier 
, Seale 
, 西尔 ) is a rare epicene first name. The given name 西尔 is habitual in South Africa, where it is a rare predominantly boy's, but very seldom girly name, the United States, where it is an extremely rare unisex name, and India. More prevalently, 西尔 is the last name as well as the forename.