| Fontaine-sous-Préaux | |
| Commune Status: | Commune |
| Arrondissement: | Rouen |
| Canton: | Darnétal |
| Insee: | 76273 |
| Postal Code: | 76160 |
| Mayor: | Francis Debrey[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Métropole Rouen Normandie |
| Coordinates: | 49.4853°N 1.1689°W |
| Elevation M: | 80 |
| Elevation Min M: | 61 |
| Elevation Max M: | 158 |
| Area Km2: | 3.52 |
Fontaine-sous-Préaux (in French pronounced as /fɔ̃tɛn su pʁeo/) is a commune in the Seine-Maritime department in the Normandy region in northern France.
A village of forestry and farming situated just 3miles northeast of the centre of Rouen, at the junction of the D47 and the D91 roads.