| Saint-Denis-Lanneray | |
| Commune Status: | Commune |
| Arrondissement: | Châteaudun |
| Canton: | Châteaudun |
| Insee: | 28334 |
| Postal Code: | 28200 |
| Mayor: | Jean-Yves Panais[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Grand Châteaudun |
| Coordinates: | 48.0683°N 1.2939°W |
| Elevation Min M: | 100 |
| Elevation Max M: | 162 |
| Area Km2: | 40.43 |
Saint-Denis-Lanneray (in French pronounced as /sɛ̃ dəni lanʁɛ/) is a commune in the Eure-et-Loir department in northern France. It was established on 1 January 2019 by merger of the former communes of Saint-Denis-les-Ponts (the seat) and Lanneray.[2]