| Ajoncourt | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Ajoncourt 57.svg |
| Arrondissement: | Sarrebourg-Château-Salins |
| Canton: | Le Saulnois |
| Insee: | 57009 |
| Postal Code: | 57590 |
| Mayor: | René Verhée[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saulnois |
| Coordinates: | 48.8458°N 6.2903°W |
| Elevation M: | 195 |
| Elevation Min M: | 187 |
| Elevation Max M: | 227 |
| Area Km2: | 3.5 |
Ajoncourt (pronounced as /fr/; de|Analdshofen) is a commune in the Moselle department in Grand Est in northeastern France.