John or Jack Carney may refer to:

Politics

• John Carney (Delaware politician) (born 1956), 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)