The Biritiba-Mirim River is a river of São Paulo state in southeastern Brazil.
| Biritiba-Mirim River | |
|---|---|
 | |
| Location | |
| Country | Brazil |
| Physical characteristics | |
| Source | |
| • location | São Paulo state |
| Mouth | Tietê River |
• coordinates | 23°33′S 46°6′W / 23.550°S 46.100°W |