John McConnell

John McConnell may refer to:

• John McConnell (peace activist) (1915–2012), peace activist and creator of Earth Day and the original Earth Day flag
• John E. McConnell (born 1863), Wisconsin State Assemblyman
• John H. McConnell (1923–2008), industrialist, philanthropist, and founder of the Columbus Blue Jackets
• John Henry McConnell (1860–1944), Canadian politician and member of the Manitoba Liberal Party
• John J. McConnell, Jr. (born 1958), United States district judge on the United States District Court for the District of Rhode Island
• John McConnell (actor) (born 1958), actor and radio host
• John Michael McConnell (born 1943), former director of the NSA and recent U.S. Director of National Intelligence
• John P. McConnell (1908–1986), former U.S. Air Force Chief of Staff and general
• John P. McConnell (businessman), CEO of Worthington Industries
• John Preston McConnell (fl. early 20th century), American academic
• John R. McConnell (1826–1879), California Attorney General
• John McConnell (Quebec politician) (1799–?), political figure in Canada East
• John Wilson McConnell (1877–1963), Canadian businessman, newspaper publisher, humanitarian and philanthropist
• John McConnell (footballer) (born 1890), English footballer
• J. C. McConnell (1844–1904), American scientific illustrator