John McConnell may refer to:

Business John Wilson McConnell (1877–1963), Canadian businessman, newspaper publisher, and philanthropist John H. McConnell (1923–2008), industrialist, philanthropist, and founder of the Columbus Blue Jackets John P. McConnell (businessman), former CEO of Worthington Industries

Politics John E. McConnell (1863–1928), Wisconsin State Assemblyman John Henry McConnell (1860–1944), Canadian politician and member of the Manitoba Liberal Party John McConnell (Quebec politician) (1799–?), political figure in Canada East John R. McConnell (1826–1879), California attorney general

Other J. C. McConnell (1844–1904), American scientific illustrator John McConnell (footballer, born 1881), Scottish footballer (Grimsby Town FC) John McConnell (footballer, born 1885), Scottish footballer (Liverpool FC) John P. McConnell (general) (1908–1986), U.S. Air Force Chief of Staff and general John McConnell (peace activist) (1915–2012), peace activist and creator of Earth Day Mike McConnell (U.S. Naval officer) (John Michael McConnell, born 1943), former director of the NSA and recent U.S. Director of National Intelligence John J. McConnell Jr. (born 1958), judge on the U.S. District Court for the District of Rhode Island John McConnell (actor) (born 1958), actor and radio host John Preston McConnell ( early 20th century), American academic John W. McConnell (academician), American college president