| Saint-Arnoult | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Arnoult (14).svg |
| Arrondissement: | Lisieux |
| Canton: | Pont-l'Évêque |
| Insee: | 14557 |
| Postal Code: | 14800 |
| Mayor: | François Pédrono[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Cœur Côte Fleurie |
| Coordinates: | 49.3342°N 0.0903°W |
| Elevation M: | 30 |
| Elevation Min M: | 2 |
| Elevation Max M: | 100 |
| Area Km2: | 5.12 |
Saint-Arnoult (in French pronounced as /sɛ̃.t‿aʁnu/) is a commune in the Calvados department, region of Normandy, northwestern France.