| Official Name: | Kazem-e Heydar |
| Native Name: | كاظم حيدر |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Shush |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Shavur |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Ahudasht |
| Population As Of: | 2006 |
| Population Total: | 150 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 31.8872°N 48.6042°W |
Kazem-e Heydar (Persian: كاظم حيدر, also Romanized as Kāz̧em-e Ḩeydar) is a village in Ahudasht Rural District, Shavur District, Shush County, Khuzestan Province, Iran. At the 2006 census, its population was 150, in 20 families.