| Jurisdiction: | Diocese |
| São Miguel Paulista | |
| Latin: | Dioecesis Sancti Michaëlis Paulinensis |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 15 March 1989 (years ago) |
| Cathedral: | Catedral São Miguel Arcanjo |
| Area Km2: | 196 |
| Population: | 2,648,534 |
| Population As Of: | 2004 |
| Catholics: | 2,198,284 |
| Catholics Percent: | 83.0 |
| Metro Archbishop: | Odilo Scherer |
| Bishop: | Algacir Munhak, C.S. |
| Emeritus Bishops: | Manuel Parrado Carral |
| Website: | www.diocesesaomiguel.org.br |
The Diocese of São Miguel Paulista (Latin: Dioecesis Sancti Michaëlis Paulinensis) is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in Brazil. Its episcopal see is São Miguel Paulista, in the city of São Paulo. The diocese is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of São Paulo.