| Official Name: | Roknabad |
| Native Name: | رکنآباد |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Lenjan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Bagh-e Bahadoran |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Zirkuh |
| Population As Of: | 2006 |
| Population Total: | 599 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.3597°N 51.0678°W |
Roknabad (Persian: رکنآباد, also Romanized as Roknābād; also known as Qal‘eh Now, Rokhābād, and SehMazra‘eh) is a village in Zirkuh Rural District, Bagh-e Bahadoran District, Lenjan County, Isfahan Province, Iran. At the 2006 census, its population was 599, in 177 families.