| Mwaya | |
| Native Name: | Kata ya Mwaya |
| Native Name Lang: | sw |
| Settlement Type: | Ward |
| Pushpin Map: | Tanzania#Africa |
| Pushpin Relief: | yes |
| Coordinates: | -8.9167°N 86°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Mbeya Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Mbeya Urban |
| Subdivision Type3: | Ward |
| Subdivision Name3: | Mwaya |
| Population As Of: | 2016 |
| Population Total: | 12841 |
| Postal Code: | 53702 |
| Postal Code Type: | Postcode |
| Timezone: | EAT |
| Utc Offset: | +3 |
Mwaya is an administrative ward in the Kyela district of the Mbeya Region of Tanzania. In 2016, the Tanzania National Bureau of Statistics report there were 12,841 people in the ward, from 11,651 in 2012.
The ward has 10 villages and 33 vitongoji.