| Gréalou | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Gréalou (Lot 46).svg |
| Elevation M: | 391 |
| Arrondissement: | Figeac |
| Canton: | Causse et Vallées |
| Insee: | 46129 |
| Postal Code: | 46160 |
| Mayor: | Michel Vedrune[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.5375°N 1.8883°W |
| Elevation Min M: | 197 |
| Elevation Max M: | 402 |
| Area Km2: | 17.5 |
Gréalou (pronounced as /fr/; oc|Grialon) is a commune in the Lot department in south-western France.