| Cornus | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Cornus (Aveyron).svg |
| Arrondissement: | Millau |
| Canton: | Causses-Rougiers |
| Insee: | 12077 |
| Postal Code: | 12540 |
| Party: | UDI |
| Mayor: | Christophe Laborie[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.9031°N 3.1794°W |
| Elevation M: | 630 |
| Elevation Min M: | 496 |
| Elevation Max M: | 887 |
| Area Km2: | 92.74 |
Cornus (in French pronounced as /kɔʁnys/; Occitan (post 1500);: Cornús) is a commune in the Aveyron department in southern France.
The commune lies on the causse du Larzac.
The village lies in the valley of the Dèvre, a tributary of the Sorgues, which has its source in the commune.