McNaughton or MacNaughton is a surname. Notable people with the surname include:
Alan Macnaughton (1903–1999), Canadian parliamentarian and Speaker of the Canadian House of Commons
Charles MacNaughton, Canadian politician
Ian MacNaughton (1925–2002), television producer/director associated with Monty Python
John 'Half Hung MacNaghten', or MacNaughton, Irish figure of 18th century romantic folklore
John A MacNaughton Canadian former CEO of CPP Investment Board
John H. MacNaughton, American bishop
Robert MacNaughton (born 1966), American child actor
Adam McNaughton, Scottish folk singer
Allan McNaughton (born 1964), American software engineer
Andrew McNaughton (1887–1966), Canadian army officer, politician and diplomat
Brian McNaughton (1935–2004), American writer
Bruce McNaughton, Canadian neuroscientist
Christopher McNaughton (born 1982), German basketball player
Colin McNaughton (born 1951), English writer and illustrator of children's books
Daniel McNaughton (1851–1925), Canadian politician
Donald McNaughton (New York) (1830–1893), New York politician
Duncan McNaughton (1910–1998), Canadian Olympic athlete
Duncan Alexander McNaughton (1877–1962), Canadian politician
George McNaughton (1897-1991), Canadian professional ice hockey player
George Matthew McNaughton (1893–1966), British civil engineer
Gordon McNaughton (1910–1942), American Major League Baseball pitcher
Gus McNaughton (1881–1969), English film actor
James McNaughton (disambiguation), several people
John McNaughton (born 1950), American film director
John McNaughton (government official) (1921–1967), former United States Assistant Secretary of Defense and advisor to Robert McNamara
Kevin McNaughton (born 1982), Scottish soccer player
Mark S. McNaughton, American politician from Pennsylvania
Paul McNaughton (born 1952), Irish rugby union and soccer player
Samuel J. McNaughton (born 1939), American ecologist and Stanford University professor
Sandy McNaughton (born 1953), Scottish footballer
Terence McNaughton (born 1964), Irish hurling manager
William John McNaughton (born 1926), American Catholic missionary and bishop in South Korea
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