John McKinney

• John McKinney, winner of the 19th Scripps National Spelling Bee in 1946
• John McKinney (Florida judge), United States federal judge
• John T. McKinney, Indiana Supreme Court judge
• John P. McKinney, Connecticut State Senator
• John McKinney (Michigan politician), Michigan Secretary of State and Treasurer
• John F. McKinney, U.S. Representative from Ohio
• John R. McKinney, Medal of Honor in World War II during the campaign to recapture the Philippines from Japanese forces in 1945