John M. Moore may refer to:

• John Marks Davenport Moore (1811–1892), member of the Texas House of Representatives, mayor of Corpus Christi, uncle of John Marks Moore
• John Marks Moore (1853–1902), member of the Texas House of Representatives, Secretary of State of Texas
• John Matthew Moore (1862–1940), member of the Texas House of Representatives, U.S. congressman
• John Moore (Methodist bishop) (1867–1948), American Methodist bishop
• John Moore (footballer, born February 1943) (1943–2009), English footballer
• John Moore (South African artist) (born 1972), South African artist