M'Intosh, McIntosh, MacIntosh, Macintosh, or Mackintosh (Gaelic: Mac an Tòisich) is a Scottish surname, originating from the Clan Mackintosh. Mac an Tòisich means (son of) leader/chief.
Notable people with the surname include:
Alan McIntosh (born 1939), Welsh footballer
Alastair McIntosh (born 1955), Scottish writer, academic and activist
Andrew Mackintosh (born 1960), actor in The Bill BBC series
Andrew McIntosh (disambiguation), several people
Andrew McIntosh, Baron McIntosh of Haringey (1933–2010), British Labour politician
Andrew McIntosh (physicist) (born 1952), Professor of Thermodynamics and director of Truth in Science
Andrew McIntosh (Australian politician) (born 1955)
Andrew McIntosh (cricketer) (born 1980), from Papua New Guinea
Andrew M. McIntosh, British academic psychiatrist
Andrew McIntosh, Baron McIntosh of Haringey (1933–2010), British Labour politician
Basil McIntosh, Bahamian politician
Bradley McIntosh (born 1981), English-Jamaican singer with S Club 7
Cameron Mackintosh (born 1946), British theatrical producer
Carl W. McIntosh (1914–2009), American academic at Montana State University
Charlach Mackintosh (1935–2019), British alpine skier
Charles Macintosh (1766–1843), Scottish inventor
Charles Henry Mackintosh (1820–1896), Irish preacher and Christian writer
Charles Rennie Mackintosh (1868–1928), Scottish architect and designer
Chris Mackintosh (1903–1974), international athlete and ski pioneer
D. N. McIntosh (1822–1896), leader of Creek Confederate regiment in the U. S. Civil War
David McIntosh (disambiguation), multiple people
Donald McIntosh (1838–1876), Canadian-born officer in Custer's 7th Cavalry, killed at Little Big Horn
Donald McIntosh (mathematician) (1868–1957), British mathematician
Doug McIntosh (1945–2021), American basketball player
Douglas Mackintosh (1931–2024), British alpine skier
E. E. B. Mackintosh (1880–1957), Director of the Science Museum, London
Erick McIntosh (born 1987), American football player
Ewart Alan Mackintosh (1893–1917), lieutenant in the British army during the First World War and a war poet
Ewen MacIntosh (1973–2024), British actor
Gavin MacIntosh (born 1999), American actor and model
Gordon McIntosh (1925–2019), Australian politician
Hamish McIntosh (born 1984), Australian rules footballer
Harold Mackintosh, 1st Viscount Mackintosh of Halifax (1891–1964), son of confectioner John Mackintosh
Harold V. McIntosh (1929–2015), American physicist working in Mexico
Henry Macintosh (1892–1918), Scottish Olympic athlete
Hugh McIntosh (disambiguation), multiple people
James Crosskill Mackintosh (1839–1924), Canadian banker, broker, and politician
James M. McIntosh (1828–1862), Confederate Army general in the American Civil War
Jennifer McIntosh (born 1991), Scottish female sports shooter and Olympian
John MacIntosh (disambiguation), multiple people
John Mackintosh (disambiguation), multiple people
John McIntosh (disambiguation), multiple people
Kate Macintosh (born 1937), Scottish architect
Kathaleeya McIntosh (born 1972), Thai–Scottish–Chinese actress, model and TV personality
Ken Macintosh (born 1962), Scottish politician
Ken Mackintosh (1919–2005), English bandleader
Ken McIntosh, New Zealand rugby league coach
Kenneth Mackintosh (1875–1957), justice of the Washington Supreme Court
Kenny McIntosh (born 2000), American football player
Lachlan McIntosh (1725–1806), American Revolutionary War general and political leader
Lonnie McIntosh (stage name Lonnie Mack) (1941–2016), American rock guitar pioneer
Lorraine McIntosh (born 1964), Scottish singer with Deacon Blue
Lucy Mackintosh (historian), New Zealand museum curator and historian
Lucy Mackintosh (born 1956), co-owner of Lucy Mackintosh Contemporary Art Gallery, Lausanne, Switzerland
Maggie McIntosh (born 1947), American politician from Maryland
Malcolm McIntosh (disambiguation), several people
Sir Malcolm McIntosh (public servant) (1945–2000), Australian scientist
Sir Malcolm McIntosh (politician) (1888–1960), Australian politician
Malcolm Mackintosh (1921–2011), intelligence analyst, Sovietologist
Malcolm Beg Mackintosh, 10th of Mackintosh (died 1457), Scottish clan chief
Marjorie McIntosh (historian) (born 1940), American historian of Great Britain
Mary Susan McIntosh (1936–2013), British sociologist and feminist
Murray McIntosh (born 1967), Canadian ice hockey defenceman
Neil William George Macintosh, (1906–1977), Australian medical doctor and anthropologist, chair of the Council of the Australian Institute of Aboriginal and Torres Strait Islander Studies (AIATSIS) from 1966 to 1974
Pat McIntosh, Scottish mystery writer
Patricia McIntosh (born 1950), Trinidadian politician
Pollyanna McIntosh (born 1979), Scottish actress, writer, and director
R. J. McIntosh (born 1996), American football player
Robert Mackintosh ('Red Rob', c. 1745–1807), Edinburgh music composer
Robert Macintosh (1897–1989), first Nuffield Professor of Anaesthetics, Oxford
Robert J. McIntosh (1922–2008), U.S. Representative from Michigan
Ronald Alexander McIntosh (1904–1977), New Zealand journalist and astronomer
Sandy McIntosh (born 1970), Canadian musician and architect, founder of Sonic Unyon Records.
Samantha McIntosh, showjumper and equestrian from New Zealand
Sarah MacIntosh (born 1969), British diplomat
Sheena Mackintosh (1928–2018), British alpine skier
Stephanie McIntosh (born 1985), Australian singer
Summer McIntosh (born 2006), Canadian Olympic swimmer and world record holder
Susan McIntosh, American anthropologist and archaeologist
Sylvester McIntosh (1934–2017), United States Virgin Islands musician
Tammy MacIntosh (born 1970), Australian actress
Tim McIntosh (baseball), American baseball player
Tim McIntosh (cricketer), a New Zealand cricketer
Thomas McIntosh (footballer) Scottish footballer
Troy McIntosh, (born 1973), Bahamian runner
Trudy McIntosh (born 1984), Australian artistic gymnast
Vora Mackintosh (1929–1998), British alpine skier
Wallace McIntosh (1920–2007), British military aviator
William M'Intosh (also spelt McIntosh) (1838–1931), Scottish physician and marine zoologist
William McIntosh (1775–1825), Chief of the Lower Creek Indians
William Priestly MacIntosh (1857–1930), Australian sculptor
Willie McIntosh (actor) (born 1970), Thai–Scottish–Chinese actor, model and TV personality
W. S. McIntosh (1921–1974), civil rights leader in Dayton, Ohio
Winston Hubert McIntosh (1944–1987), better known as Peter Tosh, Jamaican reggae musician