| Saint-Aubin-sur-Gaillon | |
| Commune Status: | Commune |
| Arrondissement: | Les Andelys |
| Canton: | Gaillon |
| Insee: | 27517 |
| Postal Code: | 27600 |
| Mayor: | Philippe Doom[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Seine-Eure |
| Coordinates: | 49.1481°N 1.3303°W |
| Elevation M: | 130 |
| Elevation Min M: | 16 |
| Elevation Max M: | 143 |
| Area Km2: | 19.46 |
Saint-Aubin-sur-Gaillon (in French pronounced as /sɛ̃t‿obɛ̃ syʁ ɡajɔ̃/, literally Saint-Aubin on Gaillon) is a commune in the Eure department in Normandy in northern France.