| Agon-Coutainville | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason_ville_fr_Agon-Coutainville_(Manche).svg |
| Arrondissement: | Coutances |
| Canton: | Agon-Coutainville |
| Insee: | 50003 |
| Postal Code: | 50230 |
| Mayor: | Christian Dutertre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Coutances Mer et Bocage |
| Coordinates: | 49.04°N -1.58°W |
| Elevation M: | 39 |
| Elevation Min M: | 0 |
| Elevation Max M: | 46 |
| Area Km2: | 12.35 |
Agon-Coutainville (in French pronounced as /aɡɔ̃ kutɛ̃vil/) is a commune in the Manche department in the Normandy region in northwestern France.