| Lantenay | |
| Commune Status: | Commune |
| Arrondissement: | Nantua |
| Canton: | Plateau d'Hauteville |
| Insee: | 01206 |
| Postal Code: | 01430 |
| Mayor: | Jean-Louis Benoit[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Haut-Bugey Agglomération |
| Coordinates: | 46.0583°N 5.5422°W |
| Elevation M: | 730 |
| Elevation Min M: | 650 |
| Elevation Max M: | 1012 |
| Area Km2: | 6.59 |
Lantenay (in French pronounced as /lɑ̃tnɛ/) is a commune in the Ain department in eastern France.