The Yhagüy River (Spanish: Río Yhagüy) is a small river running north–south in Cordillera Department, Paraguay.

In places it is little more than a stream and is also known as Arroyo Yhaguy-Guazú and Arroyo Yhaguy)

• Yhaguy River at GEOnet Names Server

25°11′S 56°48′W / 25.183°S 56.800°W / -25.183; -56.800