| Araras River | |
| Name Other: | Arurão River |
| Source1 Location: | Paraná state |
| Mouth: | Ivaí River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
The Araras River or Arurão River is a river in Paraná state in southeastern Brazil. It is a tributary of the Ivaí River.