| Aboncourt-sur-Seille | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Aboncourt-Sur-Seille (Moselle).svg |
| Arrondissement: | Sarrebourg-Château-Salins |
| Canton: | Le Saulnois |
| Insee: | 57002 |
| Postal Code: | 57590 |
| Mayor: | Fabrice Bagnon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saulnois |
| Coordinates: | 48.8172°N 6.3403°W |
| Elevation M: | 312 |
| Elevation Min M: | 195 |
| Elevation Max M: | 290 |
| Area Km2: | 3.63 |
| Demonym: | Aboncourtois, Aboncourtoises |
Aboncourt-sur-Seille (in French pronounced as /abɔ̃kuʁ syʁ sɛj/, literally Aboncourt on Seille; German: Abenhofen) is a commune in the Moselle department in Grand Est in northeastern France.