| Official Name: | Keyup |
| Native Name: | كيوپ |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Bagh-e Malek |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Mongasht |
| Population As Of: | 2006 |
| Population Total: | 458 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 31.5619°N 50.0189°W |
Keyup (Persian: كيوپ, also Romanized as Keyūp and Kayūp; also known as Kayūb) is a village in Mongasht Rural District, in the Central District of Bagh-e Malek County, Khuzestan Province, Iran. At the 2006 census, its population was 458, in 82 families.