| Official Name: | Arenjan |
| Native Name: | ارنجن |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Kashan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Barzok |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Golab |
| Population As Of: | 2006 |
| Population Total: | 146 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.6933°N 51.0714°W |
Arenjan (Persian: ارنجن, also Romanized as Ārenjan; also known as Ārenjīn and Arinjin) is a village in Golab Rural District, Barzok District, Kashan County, Isfahan Province, Iran. At the 2006 census, its population was 146, in 45 families.[1]