| Subprefecture of Jaçanã-Tremembé | |
| Settlement Type: | Subprefecture |
| Image Map1: | SaoPaulo Municip SaoPaulo.svg |
| Map Caption1: | Location of municipality of São Paulo within the State of São Paulo |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southeast |
| Subdivision Type2: | State |
| Subdivision Name2: | São Paulo |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | São Paulo |
| Subdivision Type4: | Administrative Zone |
| Subdivision Name4: | Northeast |
| Parts Type: | Districts |
| Parts Style: | para |
| P1: | Jaçanã |
| P2: | Tremembé |
| Government Type: | Subprefecture |
| Leader Name: | Izaul Segalla Júnior |
| Area Total Km2: | 64.9 |
| Population Total: | 276,628 |
| Population As Of: | 2008 |
The Subprefecture of Jaçanã-Tremembé is one of 32 subprefectures of the city of São Paulo, Brazil. It comprises two districts: Jaçanã and Tremembé.[1] It's the northernmost subprefecture and largely covered by parts of the Atlantic Forest.