| Montignac-de-Lauzun | |
| Commune Status: | Commune |
| Arrondissement: | Marmande |
| Canton: | Le Val du Dropt |
| Insee: | 47188 |
| Postal Code: | 47800 |
| Mayor: | Jean-Marie Lenzi[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Pays de Lauzun |
| Coordinates: | 44.5742°N 0.4647°W |
| Elevation M: | 190 |
| Elevation Min M: | 61 |
| Elevation Max M: | 147 |
| Area Km2: | 20.46 |
Montignac-de-Lauzun (pronounced as /fr/, literally Montignac of Lauzun; oc|Montinhac de Lausun) is a commune in the Lot-et-Garonne department in south-western France.