| Saint-Germain-sous-Cailly | |
| Commune Status: | Commune |
| Arrondissement: | Rouen |
| Canton: | Le Mesnil-Esnard |
| Insee: | 76583 |
| Postal Code: | 76690 |
| Mayor: | François Dupuis[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.5797°N 1.2067°W |
| Elevation M: | 114 |
| Elevation Min M: | 102 |
| Elevation Max M: | 173 |
| Area Km2: | 4.01 |
Saint-Germain-sous-Cailly (pronounced as /fr/, literally Saint-Germain under Cailly) is a commune in the Seine-Maritime department in the Normandy region in north-western France.
Its castle was the burial place of Ogier Ghiselin de Busbecq.
A small farming village situated by the banks of the Cailly in the Pays de Bray, some 14miles northeast of Rouen on the D44 road.