Bei
Introduction '''Bei''' may refer to:* North, commonly encountered as  (Mandarin: ''běi'') in Chinese placenames* Chinese stelae (, ''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)
See also * BEI (disambiguation)* * * Bey