Apollo is a borough in Armstrong County, Pennsylvania, United States, 35 miles (56 km) northeast of Pittsburgh in a former coal-mining region. Apollo was settled in 1790, laid out in 1816, and incorporated as a borough in 1848. The population was 1,615 at the 2020 United States Census

WJFA is a commercial radio station licensed to Apollo, Pennsylvania, and serving the northeast suburbs of the Greater Pittsburgh. The station carries a conservative talk radio format simulcast with WJFG 1480 AM in Latrobe. Both stations are owned by John Fredericks, through licensee Disruptor Radio LLC. They formerly carried the syndicated JACK-FM programming service.