Bei

Bei may refer to:


 * North, commonly encountered as 北 (Mandarin: běi) in Chinese placenames
 * Chinese stelae (碑, bēi)
 * Bei River, a tributary of the Pearl River in southern China
 * Bei (surname) (贝/貝), a Chinese surname
 * (mathematics) bei, a Kelvin function
 * Yelü Bei (899–937), Khitan prince (Yelü being his clan name)