| Ankavanana | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Madagascar |
| Subdivision Type3: | Region |
| Subdivision Name3: | Sava |
| Length Km: | 125 |
| Length Ref: | [1] |
| Discharge1 Location: | Near mouth |
| Discharge1 Avg: | (Period: 1971–2000)[2] |
| Source1 Location: | Marojejy National Park, Sava |
| Source1 Coordinates: | -14.7753°N 49.6917°W |
| Source1 Elevation: | 715m (2,346feet) |
| Mouth: | Indian Ocean |
| Mouth Location: | Antalaha, Sava |
| Mouth Coordinates: | -14.8667°N 50.2625°W |
| Mouth Elevation: | 0m (00feet) |
| River System: | Ankavanana River |
| Basin Size Km2: | 3,457.9 |
| Basin Size Ref: | [3] |
| Tributaries Right: | Ankavia |
The Ankavanana is a river located in northern Madagascar in the Sava Region. Its sources are south of Andapa, crosses the Route Nationale 5a near Antalaha and flows into the Indian Ocean.