Patrick Lyon may refer to:
Clan Lyon (Scotland) Patrick Lyon, 1st Lord Glamis (1402–1459), Scottish nobleman Patrick Lyon, 1st Earl of Kinghorne (c. 1575–1615), great-great-great-great-grandson of the above Patrick Lyon, 3rd Earl of Strathmore and Kinghorne (1643–1695), grandson of the above Patrick Lyon of Auchterhouse (1669–1715), Scottish politician, son of the above Patrick Bowes-Lyon (tennis) (1863–1946), British tennis player and barrister, great-uncle of Queen Elizabeth II Patrick Bowes-Lyon, 15th Earl of Strathmore and Kinghorne (1884–1949), British nobleman, nephew of the above and uncle of Queen Elizabeth II
Other people Patrick Lyon (blacksmith) (c. 1769–1829), Scottish-born American blacksmith and builder of hand-pumped fire engines
See also Patrick Lyons (disambiguation)