McCormack

• Sir Richard MacCormac, (1938–2014), British architect, the founder of MJP Architects

• Arthur John McCormack (1865–1936), English businessman associated with Wolseley Motors
• Derek McCormack (academic), New Zealand professor and administrator of the Auckland University of Technology
• Emmet J. McCormack (1880–1965), US director and treasurer, One of the founders of Moore-McCormack
• Gavan McCormack, Australian historian and orientalist, Visiting Professor of Social Science at the International Christian University in Tokyo

• Adetokumboh McCormack (born 1982), Sierra Leone-born US film and television actor
• Ange McCormack (born 1996 or 1997), Australian journalist and radio presenter
• Catherine McCormack (born 1972), English film actress
• Danielle McCormack (born 1983), English television actress
• Daryl McCormack (born 1992/1993), Irish actor
• David McCormack (born 1968), Australian singer and songwriter
• Eric McCormack (born 1963), Canadian-born US television, Broadway and film actor
• Franklyn MacCormack (1906–1971), US radio personality
• Geoffrey MacCormack known as Warren Peace, English vocalist
• John McCormack (1884–1945), Irish tenor singer
• Kevin McCormack (born 1970), Irish dancer, one of the first dancers selected for Riverdance
• Mary McCormack (born 1969), US television, Broadway and film actress
• Niamh McCormack (born 2001), Irish actress
• Patty McCormack (born 1945), US film, Broadway and television actress
• Sean McCormack, Academy award nominated sound editor
• Shane McCormack (singer), an Irish contestant in series 7 of The Voice UK (2018)
• Will McCormack (born 1974), American actor and younger brother of Mary McCormack

• Cliff McCormack, fictional character on The CW television series Veronica Mars
• Clive McCormack, fictional character in the video game The Getaway
• Ren McCormack, fictional character in the film Footloose

• Bridget Mary McCormack (born 1966), Justice of the Michigan Supreme Court (January 1, 2013 – Present)
• Michael McCormack (born 1939), US state judge (Nebraska)
• Mike McCormack, Toronto Police officer and Toronto Police Association president
• William J. McCormack (1933–2016), Mauritius-born Canadian Chief of Police

• Derek McCormack (born 1969), Canadian writer
• Mike McCormack (born 1965), Irish writer
• Una McCormack (born 1972), British-Irish novelist

• Henry MacCormac, Irish dermatologist and physician who served as a lieutenant-colonel in Royal Army Medical Corps during the First World War
• Henry MacCormac, (1800–1886), Irish physician who advocated open-air theory
• William MacCormac, (1836–1901), British surgeon who served as the President of the Royal College of Surgeons of England.

• James McCormack (1910–1975), United States Army officer who served in World War II, and was later the first Director of Military Applications of the United States Atomic Energy Commission

• Billy McCormack (1928–2012), director and vice president of the Christian Coalition of America and pastor of University Worship Center in Shreveport, Louisiana
• Edward J. McCormack, Jr. (1923–1997), Massachusetts Attorney General, nephew of John William McCormack
• Ellen McCormack (1926–2011), US third-party candidate for US president in 1980
• John McCormac, US politician (Democratic Party)
• John William McCormack (1891–1980), US Representative from Massachusetts and Speaker of the United States House of Representatives
• Michael McCormack (born 1964), Australian Member of Parliament
• Mike McCormack (1921–2020), US Representative from Washington
• Pádraic McCormack (born 1942), Irish delegate to Teachta Dála
• Richard T. McCormack (born 1941), United States Ambassador to the Organization of American States and United States Under Secretary of State for Economic and Agricultural Affairs
• Sean McCormack (born 1964), US Assistant Secretary of State
• William McCormack (1879–1947), Australian politician, Premier of Queensland

• Alan McCormack (born 1984), Irish footballer
• Charlie McCormack (1895–1975), Scottish footballer
• Chris McCormack (triathlete) (born 1973), Australian triathlete
• Damien McCormack (born 1987), Australian rules footballer
• David McCormack (basketball) (born 1999), American basketball player
• Don McCormack (born 1955), American baseball player
• Fergal McCormack (born 1974), Irish hurler and Gaelic footballer
• Frank MacCormack (born 1954), baseball pitcher for Detroit Tigers, Seattle Mariners
• Jack McCormack (Australian rules footballer) (1904–1966), Australian rules footballer
• Jack McCormack (rugby league) (1904–1996), Australian rugby league footballer
• John McCormack, several sportspeople
• Mark McCormack (1930–2003), American lawyer, sports agent and writer, founder and chairman of IMG
• Mike McCormack (American football) (1930–2013), American football player (Cleveland Browns) and coach
• Ross McCormack (born 1986), Scottish footballer
• Steve McCormack (born c.1973), Scottish rugby league coach
• Tom McCormack (Erin's Own hurler) (1888–1959), Irish hurler for Kilkenny and Erin's Own

• Billy McCormack (1928–2012), American clergyman
• Bruce L. McCormack (born 1952), professor of theology at Princeton Theological Seminary
• Franklyn MacCormack (1906–1971), US radio personality in Chicago
• Hilary McCormack (1934–2022), New Zealand advocate for the Deaf community
• Sir William MacCormac, 1st Baronet (1836–1901), British surgeon

• MacCormack method, a discretization scheme for the numerical solution of partial differential equations. It is introduced by Robert W. MacCormack in 1969.MacCormack, R. W., The Effect of viscosity in hypervelocity impact cratering, AIAA Paper, 69-354 (1969).
• McCormack Motorsports, former Indy Racing League team owned by Dennis McCormack that operated from 1996 to 2001.
• McCormack, Minnesota, an unorganized territory in St. Louis County, Minnesota

• McCormac
• Carmack
• Cormac
• Cormack (surname)
• Cromack
• McCormick (surname)

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{{surname|McCormack}}

Category:Anglicised Irish-language surnames

Category:Anglicised Scottish Gaelic-language surnames

Category:Patronymic surnames

Category:Surnames from given names