比亚瓜伊是阿根廷的城镇，位于该国东北部，距离首府巴拉那市155公里，由恩特雷里奥斯省负责管辖，始建于1823年11月20日，海拔高度10米，2012年人口34,730。

• Villaguay.net - Portal of the city.
• Villaguayguia.com - Portal of the city.
• TurismoEntreRios.com - Tourism portal of the province of Entre Ríos.

Villaguay is a city in the province of Entre Ríos in the Argentine Mesopotamia. It has about 48,000 inhabitants as of the census 2010 and is the head town of the department of the same name.

The city lies near the geographic center of the province, east of the Gualeguay River, on National Route 18 (which links it to Paraná, the provincial capital, located 155 km to the west, and to Concordia, 120 km east). The area is serviced by an airport (IATA: ?, ICAO: SAAU) at 31°51′S 59°5′W / 31.850°S 59.083°W / -31.850; -59.083.