The Tenaru is the name of a river on the northern coast of Guadalcanal with a tributary at Ironbottom Sound (called Savo Sound prior to World War II). During World War II, it was the site for the Battle of the Tenaru River.

9°25′51.04″S 160°05′45.41″E / 9.4308444°S 160.0959472°E / -9.4308444; 160.0959472