| Official Name: | Mahnian |
| Native Name: | ماهنيان |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hamadan |
| Subdivision Type2: | County |
| Subdivision Name2: | Razan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kharqan |
| Population As Of: | 2006 |
| Population Total: | 480 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.5025°N 49.0658°W |
Mahnian (Persian: ماهنيان, also Romanized as Māhnīān and Mahnīyan; also known as Māhīān, Mānīān, Mānīyān, and Manīyāu) is a village in Kharqan Rural District, in the Central District of Razan County, Hamadan Province, Iran. At the 2006 census, its population was 480, in 116 families.