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

• Alastair Macaulay, chief dance critic of the New York Times
• Alex McAulay (born 1977), 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
• 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, (born 1904), Scottish-Canadian, football player.
• Bryn McAuley, (born 1989), 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
• Colin Macaulay (1760–1836) Slavery abolitionist and campaigner
• Dave McAuley, (born 1961), Northern Irish, professional boxer.
• David MacAulay (Private, DCM MM)
• David Macaulay – British-born American illustrator and writer
• Deborah McCawley Canadian, a judge
• Derek Macaulay, Brigadier-General, OMM, MSM, CD, Commander 5th Canadian Division
• 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, (born 1979), 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 (born 1961), celebrity makeup artist
• Herbert Heelas Macaulay – Nigerian Activist
• Hugh McAuley (footballer, born 1953), English professional footballer and coach.
• Hugh McAuley (footballer, born 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
• 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 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, (born 1901), 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
• John Simcoe Macaulay (1792-1855), businessman, office holder, newspaperman, justice of the peace, militia officer, and politician
• 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 (born 1986), Scottish professional footballer
• Lawrence MacAulay, Canadian politician
• Leon McCawley (born 1973), British, a classical pianist
• Leopold Macaulay (1887–1979), Canadian politician
• Lincoln MacCauley Alexander (24th Lieutenant Governor of Ontario)
• Linda McAuley, radio presenter
• Marc Macaulay (born 1948), American actor
• Maria McAuley, (1847–1919), co-founder of the McAuley Water St Mission, in New York City.
• Michael Darragh MacAulay, Irish Gaelic Footballer
• Michael Macaulay (born 1939), 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, (born 1955), British, author
• 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, (born 1953), Irish, musician
• Roisin McAuley, Irish, novelist
• Rosa Louise McCauley Parks, American, activist
• Rose Macaulay (Dame, DBE), English, author
• Sarah Jane Macaulay (born 1963) aka Sarah Brown, wife of former UK prime minister Gordon Brown
• Scott Macaulay – Producer
• Sean Macaulay – Screenwriter
• Sean McAuley, (born 1972), English, footballer
• Stephen McCauley, author
• Steve Macauley, (born 1969), 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, (born 1939), Irish, TV and radio director and producer
• Vince Macaulay (born 1961), head coach and owner of British Basketball League franchise Milton Keynes Lions
• Wes_McCauley (born 1972), NHL Referee
• William Macaulay (The Reverend)
• Willie John Macaulay (Mod Gold Medallist)
• Zachary Macaulay (abolitionist)