| Roumagne | |
| Native Name: | Occitan (post 1500);: Romanha |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Roumagne (Lot-et-Garonne).svg |
| Arrondissement: | Marmande |
| Canton: | Le Val du Dropt |
| Insee: | 47226 |
| Postal Code: | 47800 |
| Mayor: | Eric Trellu[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du Pays de Lauzun |
| Coordinates: | 44.6186°N 0.3381°W |
| Elevation M: | 62 |
| Elevation Min M: | 35 |
| Elevation Max M: | 115 |
| Area Km2: | 10.54 |
Roumagne (in French pronounced as /ʁumaɲ/; Occitan (post 1500);: Romanha) is a commune in the Lot-et-Garonne department in south-western France.