| Kasimbu | |
| Official Name: | Kata ya Kasimbu, Wilaya ya Kigoma-Ujiji |
| Settlement Type: | Ward |
| Pushpin Map: | Tanzania |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Kigoma Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Kigoma-Ujiji District |
| Area Total Km2: | 1.9 |
| Population As Of: | 2016 |
| Population Total: | 5,405 |
| Population Density Km2: | auto |
| Elevation M: | 783 |
| Postal Code Type: | Tanzanian Postal Code |
| Postal Code: | 47112 |
Kasimbu is an administrative ward in Kigoma-Ujiji District of Kigoma Region in Tanzania. The ward covers an area of,[1] and has an average elevation of .[2] In 2016 the Tanzania National Bureau of Statistics report there were 5,405 people in the ward, from 4,910 in 2012.
The ward has 4 neighborhoods.