Bentiaba River
| Bentiaba River | |
|---|---|
| Location | |
| Country | Angola | 
| Physical characteristics | |
| Mouth | |
|  • coordinates | 14°16′40″S 12°21′43″E / 14.277774°S 12.362034°E | 
The Bentiaba (or Rio de São Nicolau or Saint Nicolas River) is a river in southern Angola. Its mouth is at the Atlantic Ocean near the commune of Bentiaba in Namibe Province.
The riverbank has produced a number of Cretaceous fossils including mosasaurs from Itombe Formation.
Bentiaba is also the name given to the Cretaceous bonebed.