The Azul River is a river of Paraná state in southern Brazil. It is a tributary of the Piquiri River, which in turn is a Paraná River tributary.
| Azul River | |
|---|---|
  Location of the mouth in Brazil | |
| Location | |
| Country | Brazil |
| Physical characteristics | |
| Source | |
| • location | Paraná state |
| Mouth | Piquiri River |
• coordinates | 24°11′18″S 53°44′53″W / 24.1883°S 53.7481°W |