Boian

Boian may refer to:


 * Boian, a village in Ceanu Mare Commune, Cluj County, Romania
 * Boian, a village in Bazna Commune, Sibiu County, Romania
 * Boianu Mare, a commune in Bihor County, Romania
 * Boian (river), a river in Bihor County, Romania
 * Boiany, a village in Chernivtsi Oblast, Ukraine
 * Boian, Alberta, a mostly ethnic Romanian hamlet in Canada
 * Boian culture, an archaeological culture