Bei River (北江; literally "The North River"; pinyin: Běi Jiāng; wade-giles: Pei3 Chiang1; jyutping: Bak1 Gong1, literally "North River") is the northern tributary of the Pearl River in southern China. The other two main tributaries of the Pearl River are the Xi Jiang and the Dong Jiang.
The Bei River is 633 km (393 mi) long, and is located in northern Guangdong.