Resnik' is a surname that may refer to:
People:
Frank E. Resnik (1928–1995), former CEO and Chairman of Phillip Morris USA
Hollis Resnik (born 1955), American singer and actress
Judith Resnik (1949–1986), American astronaut who died in the Space Shuttle Challenger disaster
Michael Resnik (born 1938), philosopher of mathematics and decision theory
Regina Resnik (1922–2013), American opera singer
