Here are but a few of the famous and notable MacAulays.

• Alastair Macaulay, chief dance critic of the New York Times
• Alex McAulay – American novelist
• Alexander Macaulay – An Unknown Hero
• Alexander MacAuley (footballer), Scottish footballer
• Alexander McAulay (1863–1931), first professor of mathematics and physics at the University of Tasmania
• Alexander McCall Smith – Author, South Africa
• Alphonso McAuley, American, actor
• Alyn Daniel McCauley – Canadian retired professional ice hockey player
• Alyson Macaulay Court, Canadian, actor
• Andrew McAuley, (1968–2007), Australian, adventurer
• Angus Macaulay (1759-1827) – Schoolmaster, physician and political figure in Prince Edward Island
• Archie Macaulay (1915–1993), Scottish football player and manager
• Aulay MacAulay of Ardincaple (died 1617), Scottish laird, clan chief, shire Commissioner, and knight
• Aulay Macaulay, (died 1788), English inventor of a system of shorthand
• Bob McAuley – Scottish-Canadian, football player.
• Bryn McAuley – Canadian, voice actress.
• Catharine Macaulay (1731–1791), English historian
• Catherine McAuley (Sister) – Foundress of Sisters of Mercy and Mercy Healthcare
• Charles Macaulay (Sergeant) – 8th King’s Royal Irish (KRI) Hussars “One of the Six Hundred”
• Charles Grymes McCawley (1827–1891), American, a senior officer in the United States Marine Corps
• Charles R. Macauley – American cartoonist and illustrator
• Charles McAuley (1910–1999), Irish, painter
• Clark Richard McCauley – American social psychologist
• Colin Macaulay (1760–1836) Slavery abolitionist and campaigner
• Dana McCauley – Canadian chef and food writer
• Dave McAuley – Northern Irish, professional boxer.
• David MacAulay (Private, DCM MM)
• David Macaulay – British-born American illustrator and writer
• Deborah McCawley Canadian, a judge
• Deon McCaulay – Belizean international footballer
• Derek Macaulay, Brigadier-General, OMM, MSM, CD, Commander 5th Canadian Division
• Don McCauley – former American football player
• Donald Macaulay of Bragar, QC – (Lord) House of Lords, Scotland
• Donald Cam MacAulay (Chief of the MacAulays of Lewis c1560-1640)
• Dugald MacAulay (Father of Donald Cam)
• Ed Macauley – NBA Hall of Fame
• Eunice Macaulay (1923–2013), British-born animator and filmmaker
• Francis Sowerby Macaulay, English mathematician
• Fred MacAulay – Comedian and Presenter
• Frederick Robertson Macaulay – Economist
• Gareth McAuley – Northern Irish, professional footballer
• Genevieve Macaulay (1880–1938), American philanthropist and Papal duchess
• George Macaulay (1897–1940), English cricketer
• George Macaulay Trevelyan – Historian
• George Campbell Macaulay (1852–1915), Classical scholar of Herodotus
• George Neil Macaulay (Captain, the Elder)
• George Neil Macaulay (Captain)
• Greg McAulay – World Curling Champion
• Helene Macaulay – celebrity makeup artist
• Herbert Heelas Macaulay – Nigerian Activist
• Hugh McAuley b.1953- English professional footballer and coach.
• Hugh McAuley b.1976 – English professional footballer.
• Iain MacMillan MacAulay – Elected Chief of Clan MacAulay 2002
• Ike McAuley, (1891–1928), American, professional baseball player
• Iris MacAulay – official holder of Block Island’s gold-headed ebony cane
• Jack McCauley – American engineer, hardware designer, inventor, video game developer and philanthropist
• James Macaulay – Doctor and Medical Officer in Upper Canada
• James Macauley, (1889-1945), Irish, professional footballer
• James McAulay (1860–1943), Scottish footballer
• James McAuley – Australian Poet
• James Adelbert McCauley -19th-century Major League Baseball catcher
• James Alvan Macaulay – Former President of Packard Motor Car Company
• James Buchanan Macaulay, Sir (1793-1859), Canadian lawyer
• James D. McCawley (1938–1999), Scottish-born American, a linguist
• Jerry McAuley, (1839–1884), Irish born American, convicted criminal who founded America’s first gospel rescue mission
• Jim McCawley (1942–1997), American, a screenwriter and television producer
• Jimmy McAuley – Northern Irish, football player
• Jonathan McCully – Founding Father of Modern Canada
• John Macaulay (1792-1833), businessman, office holder, newspaperman, justice of the peace, militia officer, and politician
• John Macaulay – San Francisco Police Department
• John Alexander MacAulay, Canadian lawyer and Red Cross activist
• John McAulay – Scottish policeman, soldier and recipient of the Victoria Cross
• Sir John Patrick Joseph McCauley, KBE, CB – senior commander in the Royal Australian Air Force (RAAF)
• John Simcoe Macaulay (1792-1855), businessman, office holder, newspaperman, justice of the peace, militia officer, and politician
• Johnny McCauley – Irish singer/songwriter
• Ken McAuley, (1931–1992) Canadian, professional ice hockey player
• Kenneth Macaulay (colonialist) (1792–1829), colonial official in Sierra Leone
• Kenneth Macaulay (politician) (1815–1867), English politician
• Kyle Macaulay – Scottish professional footballer
• Lawrence MacAulay, Canadian politician
• Leon McCawley – British, a classical pianist
• Leopold Macaulay (1887–1979), Canadian politician
• Lincoln MacCauley Alexander (24th Lieutenant Governor of Ontario)
• Linda McAuley, radio presenter
• Marc Macaulay – American actor
• Marcus Xavier McCauley, Jr. – former American football cornerback
• Maria McAuley, (1847–1919), co-founder of the McAuley Water St Mission, in New York City
• Matthew McCauley – Canadian composer
• Michael Darragh MacAulay, Irish Gaelic Footballer
• Michael Macaulay – South African cricketer
• Michael McCally, M.D., Ph.D. – Nobel Prize Laureate
• Michael J. McCulley, Captain U.S.N., Ret. – NASA Astronaut
• Morton MacAuley, Canadian politician
• Neill W. Macaulay, Jr. (1935–2007), American writer, professor and Cuban revolutionary
• Park McCallie (Dr.) and Spencer McCallie (founders of McCallie Schoo,Chattanooga TN)
• Pat McAuley, (1921–1970), Scottish, footballer
• Paul J. McAuley – British, author
• Peter McCauley – New Zealand actor
• Reginald Macaulay (1858–1937), English footballer
• Robert Macaulay (1921-2010), Canadian politician
• Robertson Macaulay (1833–1915), Canadian insurance company executive
• Robie Macauley, (1919–1995), American, writer and editor
• Robin McAuley – Irish, musician
• Roisin McAuley, Irish, novelist
• Rosa Louise McCauley Parks, American, activist
• Rose Macaulay (Dame, DBE), English, author
• Sarah Jane Macaulay Brown – wife of former UK prime minister Gordon Brown
• Scott Macaulay – Producer
• Sean Macaulay – Screenwriter
• Sean McAuley – English, footballer
• Stephen McCauley, author
• Steve Macauley – English, professional footballer
• Sue Mccauley – Author, New Zealand
• Terry McAulay, American football official
• Thomas Babington MacAulay (Baron MacAulay)
• Thomas Bassett Macaulay
• Thomas McCawley (1881–1925) Australian, a judge
• Tony Macaulay – Author, Northern Ireland
• Tony Macaulay – Songwriter
• Tony McAuley – Irish, TV and radio director and producer
• Vince Macaulay – head coach and owner of British Basketball League franchise Milton Keynes Lions
• Wes_McCauley – NHL Referee
• William Macaulay (The Reverend)
• Willie John Macaulay (Mod Gold Medallist)
• Zachary Macaulay (abolitionist)