WPKN (89.5 FM) is a non-commercial radio station licensed by the Federal Communications Commission (FCC) to Bridgeport, Connecticut.

WPKN is a free-form radio station, staffed by volunteer programmers presenting a wide variety of music and public affairs programming.

[3] Its call letters originally stood for "Purple Knights Network," named after the university's sports teams.

WPKN only takes funds from private donors with no stipulations for their expenditure attached.

This allows the music and news programmers complete freedom to produce their own shows with no outside pressure.