| Jou-sous-Monjou | |
| Commune Status: | Commune |
| Arrondissement: | Aurillac |
| Canton: | Vic-sur-Cère |
| Insee: | 15081 |
| Postal Code: | 15800 |
| Mayor: | Thierry Rougé[1] |
| Term: | 2023 - 2026 |
| Intercommunality: | Cère et Goul en Carladès |
| Coordinates: | 44.9389°N 2.6656°W |
| Elevation M: | 759 |
| Elevation Min M: | 694 |
| Elevation Max M: | 1056 |
| Area Km2: | 6.16 |
Jou-sous-Monjou (in French pronounced as /ʒu su mɔ̃ʒu/; Occitan (post 1500);: Jòu de Monjòu) is a commune in the Cantal department in south-central France. It is 25 km east of Aurillac.