| Château-l'Abbaye | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de Château-l'Abbaye. (59) Nord-France.svg |
| Arrondissement: | Valenciennes |
| Canton: | Saint-Amand-les-Eaux |
| Insee: | 59144 |
| Postal Code: | 59230 |
| Mayor: | Waldemar Domin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Porte du Hainaut |
| Coordinates: | 50.4847°N 3.48°W |
| Elevation M: | 30 |
| Elevation Min M: | 13 |
| Elevation Max M: | 28 |
| Area Km2: | 4.41 |
Château-l'Abbaye (pronounced as /fr/; pcd|Catiau-l'Abi) is a commune of the Nord department in northern France.[2]