| Guadarranque Reservoir | |
| Pushpin Map: | Spain Andalusia |
| Location: | Los Barrios, Castellar de la Frontera, San Roque |
| Coords: | 36.3186°N -5.4683°W |
| Type: | reservoir |
| Inflow: | Guadarranque |
| Basin Countries: | Spain |
Guadarranque Reservoir is a reservoir impounded from the Guadarranque in the province of Cádiz, Andalusia, Spain.