The Bạch Đằng River (Vietnamese: Sông Bạch Đằng, IPA: [ʂəwŋ ɓàjk̟ ɗâŋ]), also called Bạch Đằng Giang (from 白藤江), white wisteria river, is a river in northern Vietnam, located near Hạ Long Bay.

It flows through the Yên Hưng District of Quảng Ninh Province as well as the Thủy Nguyên District of Haiphong.

The Bạch Đằng River has been the site of three important battles in Vietnamese history: The stakes of Bạch Đằng river were defensive obstacles featured in the three famous battles on the river.

The first event was in 938, as part of Ngô Quyền's battle strategy.

This article related to a river in Vietnam is a stub.