| Octeville-l'Avenel | |
| Commune Status: | Commune |
| Arrondissement: | Cherbourg |
| Canton: | Val-de-Saire |
| Insee: | 50384 |
| Postal Code: | 50630 |
| Mayor: | Isabelle Lechevalier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Cotentin |
| Coordinates: | 49.5442°N -1.3531°W |
| Elevation M: | 40 |
| Elevation Min M: | 20 |
| Elevation Max M: | 82 |
| Area Km2: | 6.86 |
Octeville-l'Avenel is a commune in the Manche department in Normandy in north-western France.
Robert Avenel, Anglo-Norman magnate