| Namorona River | |
| Map: | Madagascar rivers.svg |
| Subdivision Type1: | Country |
| Subdivision Name1: | Madagascar |
| Subdivision Type3: | Region |
| Subdivision Name3: | Vatovavy |
| Subdivision Type5: | Cities |
| Subdivision Name5: | Namorona, Ranomafana, Ifanadiana |
| Length: | [1] |
| Discharge1 Location: | Near mouth |
| Discharge1 Avg: | (Period: 1971–2000)[2] |
| Mouth Location: | Indian Ocean |
| Mouth Coordinates: | -21.6619°N 48.2239°W |
| River System: | Namorona River |
| Basin Size: | [3] |
Namorona is a river in Vatovavy, eastern Madagascar. It flows down from the central highlands, runs along the Ranomafana National Park, forms the Andriamamovoka Falls, to flow into the Indian Ocean. It empties near Namorona and has a length of .[4]