| Saint-Benoît-des-Ondes | |
| Commune Status: | Commune |
| Image Flag: | Flag of Saint-Benoît-des-Ondes.gif |
| Coordinates: | 48.6206°N -1.8503°W |
| Insee: | 35255 |
| Postal Code: | 35114 |
| Arrondissement: | Saint-Malo |
| Canton: | Dol-de-Bretagne |
| Mayor: | Bernadette Letanoux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Saint-Malo |
| Elevation Min M: | 2 |
| Elevation Max M: | 10 |
| Area Km2: | 2.92 |
Saint-Benoît-des-Ondes (pronounced as /fr/; br|Lanwezoù) is a commune in the Ille-et-Vilaine Department in Brittany in northwestern France.
Inhabitants of Saint-Benoît-des-Ondes are called bénédictins in French.