| Official Name: | Emamzadeh Mahmud |
| Native Name: | امامزاده محمود |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Mazandaran |
| Subdivision Type2: | County |
| Subdivision Name2: | Juybar |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Gil Khuran |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Larim |
| 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: | 36.7514°N 52.9331°W |
Emamzadeh Mahmud (Persian: امامزاده محمود, also Romanized as Emāmzādeh Maḩmūd) is a village in Larim Rural District, Gil Khuran District, Juybar County, Mazandaran Province, Iran at the coast of the Caspian Sea. At the 2006 census, its population was 146, in 36 families.