| Official Name: | Mahirud |
| Native Name: | ماهي رود |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Sarbisheh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Doreh |
| Population As Of: | 2006 |
| Population Total: | 331 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.1892°N 60.6981°W |
Mahirud (fa|ماهي رود, also Romanized as Māhīrūd, Mahi Rood; also known as Mahrūd and Māhrūd) is a village in Doreh Rural District, in the Central District of Sarbisheh County, South Khorasan Province, Iran. At the 2006 census, its population was 331, in 108 families. Mahirud borders the Farah Province of Afghanistan.