| San Lázaro Roman aqueduct | |
| Native Name: | Acueducto Romano San Lázaro |
| Native Name Lang: | es |
| Coordinates: | 38.9201°N -6.3353°W |
| Location: | Mérida (Badajoz), Spain |
The San Lázaro Roman aqueduct is a Roman aqueduct in the Roman colonia of Emerita Augusta –present-day Mérida, Spain–, capital of the Roman province of Lusitania. It was built during the first century to supply water into the city.
It was declared Bien de Interés Cultural in 1912.[1] It is part of the Archaeological Ensemble of Mérida, which is one of the largest and most extensive archaeological sites in Spain and that was declared a World Heritage Site by UNESCO in 1993.