| Mederdra | |
| Settlement Type: | Commune and town |
| Pushpin Map: | Mauritania |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Mauritania |
| Subdivision Type: | Country |
| Subdivision Name: |  Mauritania |
| Subdivision Type1: | Region |
| Subdivision Name1: | Trarza |
| Unit Pref: | Imperial |
| Area Total Km2: | 263.7 |
| Population As Of: | 2013 |
| Population Total: | 7,421 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Utc Offset: | +0 |
| Coordinates: | 16.9167°N -54°W |
Mederdra is a small town and commune in south-west Mauritania, near the border of Senegal.
In 2013, it had a population of 7,421.[1]
It lies on the route of a proposed railway line to connect phosphate mines at Kaédi with the capital and port of Nouakchott.
Malouma Mint El Meidah, a popular singer and politician, was born in Mederdra in 1960.[2]
Horma Ould Babana, politician, was born in Mederdra on 12 March 1912.[3]