| Mastaing | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Mastaing (59) Nord-France.svg |
| Arrondissement: | Valenciennes |
| Canton: | Denain |
| Insee: | 59391 |
| Postal Code: | 59172 |
| Mayor: | Ludovic Aiguier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Porte du Hainaut |
| Coordinates: | 50.307°N 3.304°W |
| Elevation M: | 38 |
| Elevation Min M: | 33 |
| Elevation Max M: | 67 |
| Area Km2: | 5.97 |
Mastaing (in French pronounced as /mastɛ̃/) is a commune in the Nord department in northern France.[2]