John Matheson (disambiguation)

John Matheson (1917–2013) was a Canadian lawyer, judge and politician who helped develop both the maple leaf flag and the Order of Canada.

John Matheson can also refer to:
 * John Archibald Matheson (1844–1919), Canadian politician
 * John Matheson (bishop) (1901–1950), British Roman Catholic clergyman who served as the Bishop of Aberdeen
 * Jack Matheson (1924–2011), Canadian sports journalist