| Mbulumbulu | |
| Settlement Type: | Ward |
| Pushpin Map: | Tanzania |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Arusha Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Karatu District |
| Coordinates: | -3.25°N 83°W |
| Population As Of: | 2012 |
| Population Total: | 21,764 |
| Official Name: | Kata ya Mbulumbulu |
Mbulumbulu is an administrative ward in the Karatu district of the Arusha Region of Tanzania. According to the 2012 census, the ward has a total population of 21,764.[1]