| El Granero Dam | |
| Location Map: | Mexico |
| Coordinates: | 28.9853°N -105.2803°W |
| Purpose: | Irrigation |
| Dam Type: | Embankment |
| Dam Crosses: | Rio Conchos |
| Dam Height Foundation: | 62m (203feet) |
| Res Name: | El Granero Reservoir |
| Res Capacity Total: | 0.356km3 |
El Granero Dam (Spanish: Presa del Granero, also known as the Luis L. Leon Dam) is an embankment dam on the Rio Conchos in north-central Chihuahua, Mexico. The dam was completed in 1968 to provide irrigation and flood control for the lower Rio Conchos valley.