| Dunes | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Dunes (Tarn-et-Garonne).svg |
| Arrondissement: | Castelsarrasin |
| Canton: | Garonne-Lomagne-Brulhois |
| Insee: | 82050 |
| Postal Code: | 82340 |
| Mayor: | Alain Alary[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Deux Rives |
| Coordinates: | 44.0883°N 0.7717°W |
| Elevation M: | 121 |
| Elevation Min M: | 57 |
| Elevation Max M: | 186 |
| Area Km2: | 23.19 |
Dunes (in French pronounced as /dyn/; Occitan (post 1500);: Dunas) is a commune in the Tarn-et-Garonne department in the Occitanie region in southern France.
The river Auroue forms all of the commune's western border.