Foxburg is a borough in Clarion County, Pennsylvania, United States. It is located along the east bank of the Allegheny River, about 2 miles (3 km) north of the mouth of the Clarion River. As of the 2020 census it had a population of 181.

Clarion County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 37,241. Its county seat is Clarion. The county was formed on March 11, 1839, from parts of Venango and Armstrong counties. Clarion County is entirely defined as part of the Pittsburgh media market. The county is part of the North Central Pennsylvania region of the state.