Lempdes-sur-Allagnon should not be confused with Lempdes.
| Lempdes-sur-Allagnon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Lempdes sur Allagnon.svg |
| Arrondissement: | Brioude |
| Canton: | Sainte-Florine |
| Mayor: | Guy Lonjon[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.3861°N 3.2708°W |
| Elevation Min M: | 425 |
| Elevation Max M: | 546 |
| Area Km2: | 10.4 |
| Insee: | 43120 |
| Postal Code: | 43410 |
Lempdes-sur-Allagnon (in French pronounced as /lɑ̃d syʁ alaɲɔ̃/, literally Lempdes on Allagnon; Occitan (post 1500);: Lende) is a commune in the Haute-Loire department in south-central France.