| Kebenau River | |
| Subdivision Type1: | Country |
| Subdivision Type3: | Region |
| Subdivision Name3: | Madang Province |
| Source1 Location: | Papua New Guinea |
| Mouth Location: | near Rimba to the Astrolabe Bay |
Kabenau River (also Gabina or St. Augustin River) is a river in Madang Province, Papua New Guinea. It is located at about -5.4667°N 145.85°W. It was discovered in 1887 by geologist C. Schneider and explored in 1888 by Hugo Zöller. It flows westward and empties near Rimba to the Astrolabe Bay.