John Wagner (disambiguation)

John Wagner may refer to:

• John Wagner (born 1949), American-born British comics writer
• John A. Wagner (1885–1964), Michigan politician
• John C. Wagner (1858–1937), American politician and businessman
• John D. Wagner, American author and businessman
• John P. Wagner (1874–1955), American baseball shortstop
• John W. Wagner, (1837–1896), Union Army soldier in the American Civil War who received the Medal of Honor