| Marimbona | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Madagascar |
| Subdivision Type3: | Region |
| Subdivision Name3: | Analanjirofo |
| Subdivision Type5: | City |
| Subdivision Name5: | Soanierana Ivongo |
| Discharge1 Location: | RN 5 |
| Source1 Location: | Andilamena, Alaotra Mangoro |
| Mouth: | Indian Ocean |
| Mouth Location: | Soanierana Ivongo, Analanjirofo |
| Mouth Coordinates: | -16.9°N 84°W |
| Mouth Elevation: | 0m (00feet) |
| Basin Size: | 1495km2[1] |
| Tributaries Right: | Andasibe river, Ambohangy, Fotsialana, Sahatiana, Sahasarotra |
The Marimbona river is located in northern Madagascar and crosses the Route Nationale 5 near Soanierana Ivongo.It has its springs near Andilamena[2] (Alaotra Mangoro), forms the southern border of the Ambatovaky Reserve, passes Andapafito and flows into the Indian Ocean north of Soanierana Ivongo.