| Saint-Mard | |
| Native Name: | Sié-Mâ (Gaumais) |
| Image Blank Emblem: | Blason St-Mard (Belgique).jpg |
| Blank Emblem Type: | Coat of arms |
| Flag Size: | 120x100px |
| Pushpin Map: | Belgium#Europe |
| Pushpin Label: | Saint-Mard |
| Coordinates: | 49.5508°N 5.5189°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Belgium |
| Subdivision Type1: | Region |
| Subdivision Type2: | Province |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Virton |
| Population Density Km2: | auto |
| Area Code Type: | Area codes |
Saint-Mard (Gaumais: Sié-Mâ; wa|Sint-Må-dlé-Vierton) is a village of Wallonia and a district of the municipality of Virton, located in the province of Luxembourg, Belgium.
A Roman settlement was established here in the first century AD. During the Middle Ages, the village belonged the County of Luxemburg. The centre of the village contains the Neo-Romanesque village church, built between 1864 and 1867. In the outskirts of the village, in the direction of Virton, lies the Church of Vieux-Virton, which traces its origins to the late 7th or early 8th century, though the oldest parts of the present building are from the 13th century.[1]