| Rivière de l'Est | |
| Mouth Location: | Indian Ocean |
| Subdivision Type1: | Country |
| Subdivision Name1: | France |
| Subdivision Type2: | Region |
| Subdivision Name2: | Réunion |
| Length: | 21.2km (13.2miles) |
| Source1 Elevation: | 2350feet |
| Mouth Elevation: | sea level |
The Rivière de l'Est is a river on the Indian Ocean island of Réunion. It flows northeast from the southeast of the island, reaching the sea between the towns of Sainte-Anne and Sainte-Rose. It is 21.2km (13.2miles) long.
The Rivière de l'Est flows down the slopes of the shield volcano Piton de la Fournaise from an elevation of 2350feet above sea level.