| Lettret | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Lettret (Hautes-Alpes).svg |
| Arrondissement: | Gap |
| Canton: | Tallard |
| Insee: | 05074 |
| Postal Code: | 05130 |
| Mayor: | Rémy Oddou[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Gap-Tallard-Durance |
| Coordinates: | 44.4692°N 6.0617°W |
| Elevation M: | 600 |
| Elevation Min M: | 591 |
| Elevation Max M: | 960 |
| Area Km2: | 4.2 |
Lettret (pronounced as /fr/; oc|L'Estrech) is a commune in the Hautes-Alpes department in southeastern France.