Isanzu
- Alternate names: Kiisanzu, Kinyihanzu, Kinyisanzu
- Scriptures published: None
- Literacy: Not taught in primary schools. N
- Primary country: United Republic of Tanzania
- Region: Singida Region, Iramba district
- Religion: Christian, traditional religion, Muslim
- Livelihood: Agriculturalists: millet, maize, sorghum; animal husbandry
- Number of users: 32,400
(data from Ethnologue and other sources)