| Saint-Benoît | |
| Commune Status: | Subprefecture and commune |
| Map: | Locator map of Saint-Benoît 2018.png |
| Arrondissement: | Saint-Benoît |
| Canton: | Saint-Benoît-1 and 2 |
| Insee: | 97410 |
| Postal Code: | 97470 |
| Mayor: | Patrice Selly[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Réunion Est |
| Coordinates: | -21.0339°N 55.7128°W |
| Elevation M: | 7 |
| Elevation Min M: | 0 |
| Elevation Max M: | 2520 |
| Area Km2: | 229.61 |
Saint-Benoît (pronounced as /fr/) is a commune in the French overseas department of Réunion, in the Indian Ocean. It is located on the eastern part of the island of Réunion, about 40 kilometres southeast of Saint-Denis, the capital.
It is the second largest city of the island by its surface area.In the west of the commune lies Grand Étang, the largest lake of La Réunion. Close to the lake flows the Bras d'Annette waterfall.
Saint-Benoît has a tropical rainforest climate (Köppen climate classification Af). The climate is tropical, influenced by the winds called alizés, or trade winds. The average annual temperature in Saint-Benoît is . The average annual rainfall is with February as the wettest month. The temperatures are highest on average in February, at around, and lowest in July, at around . The highest temperature ever recorded in Saint-Benoît was on 6 February 2004; the coldest temperature ever recorded was on 15 July 1991.