Franklin is a city in and the county seat of Venango County, Pennsylvania, United States, located at the confluence of French Creek and the Allegheny River. The population was 6,097 in the 2020 census. Franklin is part of the Oil City micropolitan area.

Venango County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 50,454. Its county seat is Franklin. The county was created in 1800 and later organized in 1805. The county is part of the Northwest Pennsylvania region of the state.