| Fontaine-sous-Jouy | |
| Commune Status: | Commune |
| Arrondissement: | Les Andelys |
| Canton: | Pacy-sur-Eure |
| Insee: | 27254 |
| Postal Code: | 27120 |
| Mayor: | Raphaël Norblin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Évreux Portes de Normandie |
| Coordinates: | 49.0675°N 1.2928°W |
| Elevation M: | 140 |
| Elevation Min M: | 29 |
| Elevation Max M: | 134 |
| Area Km2: | 7.33 |
Fontaine-sous-Jouy (pronounced as /fr/, literally Fontaine under Jouy) is a commune in the Eure department in the Normandy region in northern France.