| Lasserre | |
| Commune Status: | Commune |
| Arrondissement: | Nérac |
| Canton: | L'Albret |
| Insee: | 47139 |
| Postal Code: | 47600 |
| Mayor: | Serge Pérès[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Albret Communauté |
| Coordinates: | 44.0656°N 0.3922°W |
| Elevation M: | 160 |
| Elevation Min M: | 52 |
| Elevation Max M: | 152 |
| Area Km2: | 6.49 |
Lasserre (in French pronounced as /lasɛʁ/; Occitan (post 1500);: La Sèrra) is a commune in the Lot-et-Garonne department in south-western France.
Between 2003 and 2008, Gilbert Giraldello, a storekeeper, was the mayor.Serge Pérès, a farmer, is currently the mayor, since 2008, and re-elected in 2014 and 2020.