Antoine-Frédéric Gresnick (2 March 1755 – 16 October 1799) was a classical composer. He was born in Liège. He studied music in Naples. By 1780 Gresnick was working in Lyons and, after visiting Berlin and London, he moved in 1794 to Paris where he died in 1799. He is chiefly remembered for writing opera buffa, of which he wrote at least twenty-three.