John or Jack Carney may refer to:

Politics John Carney (Delaware politician) (born 1956), former governor of Delaware and former U.S. Representative John Patrick Carney (born 1976), Democratic member of the Ohio House of Representatives John Carney (Kentucky politician) (1969–2021), member of the Kentucky House of Representatives

Sports John Carney (American football) (born 1964), American football placekicker Jack Carney (baseball) (1866–1925), professional baseball player Jack Carney (footballer) (1909–1981), Australian rules footballer

Other people John Carney (director) (born 1972), Irish film and TV director John Carney (magician) (born 1958), sleight of hand artist, author and actor John Carney (radio), radio talk show host on KTRS in St. Louis John F. Carney (born 1941), chancellor of Missouri University of Science and Technology

See also John Carney House, a historic house in Troy, Illinois John Carney Agricultural Complex, a historic farm complex in Greenville, New Castle County, Delaware Jonathan Carney, violinist, violist, and conductor John Cairney (disambiguation)