| Mardihansu | |
|---|---|
| Village | |
| Country |  Estonia | 
| County | Hiiu County | 
| Parish | Hiiu Parish | 
| Time zone | EET (UTC+2) | 
| • Summer (DST) | EEST (UTC+3) | 
Mardihansu is a village in Hiiu Parish, Hiiu County in northwestern Estonia.
Coordinates: 58°53′N 22°26′E / 58.883°N 22.433°E