| Official Name: | Tudeh Zan |
| Native Name: | توده زن |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Borujerd |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Oshtorinan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Gudarzi |
| Population As Of: | 2006 |
| Population Total: | 1,862 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.9625°N 48.5964°W |
Tudeh Zan (Persian: توده زن, also Romanized as Tūdeh Zan; also known as Tūzāzan) is a village in Gudarzi Rural District, Oshtorinan District, Borujerd County, Lorestan Province, Iran. At the 2006 census, its population was 1,862, in 490 families.