| Official Name: | Koani |
| Settlement Type: | City of Unguja South Region |
| Pushpin Map: | Tanzania |
| Pushpin Mapsize: | 300 |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Tanzania |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Zanzibar Central/South |
| Subdivision Type2: | District |
| Unit Pref: | Imperial |
| Coordinates: | -6.1333°N 56°W |
| Utc Offset: | +3 |
Koani is a city located on the Tanzanian island of Unguja (Zanzibar). The city serves as capital of the Zanzibar Central/South region.