This list of rivers in Burundi is a partial list of the larger rivers, arranged by drainage basin, with tributaries indented under each parent stream's name.
The Akanyaru River, which leaves Burundi at 2°19′27″S 29°57′43″E / 2.32429°S 29.96195°E / -2.32429; 29.96195 (Akanyaru (border)), defines the border between northern Burundi to the east and southern Rwanda to the west.
Several rivers in Burundi flow west from the Congo-Nile ridge into the Ruzizi.
Lake Tanganyika forms the western boundary of Burundi south of the Ruzizi.
Major left tributaries in Burundi, from upstream to downstream, include: