| Official Name: | Saja |
| Settlement Type: | Town and ward |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Tanzania |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Njombe Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Wanging'ombe District |
| Unit Pref: | metric |
| Population As Of: | 2002 |
| Population Total: | 10004 |
| Timezone: | EAT |
| Utc Offset: | +3 |
Saja is a town and ward in Wanging'ombe District in the Njombe Region of the Tanzanian Southern Highlands. The population of the ward, according to the 2002 Tanzanian census, was 10,004.