| Coordinates: | 50.94°N 11.4375°W |
| Image Plan: | Lehnstedt in AP.png |
| State: | Thuringia |
| District: | Weimarer Land |
| Verwaltungsgemeinschaft: | Mellingen |
| Elevation: | 280 |
| Area: | 6.45 |
| Postal Code: | 99441 |
| Area Code: | 036453 |
| Licence: | AP |
| Gemeindeschlüssel: | 16 0 71 049 |
| Mayor: | Tobias Delle[1] |
| Leader Term: | 2023 - 29 |
Lehnstedt is a municipality in the Weimarer Land district of Thuringia, Germany.