| Country: | England |
| Static Image Name: | Barn in Mardu - geograph.org.uk - 1595648.jpg |
| Static Image Caption: | Barn in Mardu |
| Coordinates: | 52.451°N -3.081°W |
| Official Name: | Mardu |
| Civil Parish: | Newcastle on Clun |
| Unitary England: | Shropshire |
| Lieutenancy England: | Shropshire |
| Region: | West Midlands |
| Constituency Westminster: | Ludlow |
| Post Town: | CRAVEN ARMS |
| Postcode District: | SY7 |
| Postcode Area: | SY |
| Dial Code: | 01588 |
| Os Grid Reference: | SO265842 |
Mardu is a small dispersed village in Shropshire, England. It is located a mile northwest of the village of Whitcott Keysett.
The nearest town is Clun. The village lies at 246m above sea level.
Offa's Dyke Path runs through the village.