| Official Name: | Khundab |
| Native Name: | خونداب |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Najafabad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Mehrdasht |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Hoseynabad |
| Population As Of: | 2006 |
| Population Total: | 1,652 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.1325°N 50.8978°W |
Khundab (fa|خونداب, also Romanized as Khūndāb; also known as Kondāb) is a village in Hoseynabad Rural District, Mehrdasht District, Najafabad County, Isfahan Province, Iran. At the 2006 census, its population was 1,652, in 405 families.