Acton is an English surname. Notable people with the surname include:
John Dalberg-Acton, 1st Baron Acton (1834–1902): Lord Acton, the Catholic historianRichard Lyon-Dalberg-Acton, 4th Baron Acton (1941–2010), his great-grandson, Labour peer and life peerJohn Lyon-Dalberg-Acton, 5th Baron Acton (born 1966), his great-great grandson, writer and farmerSir John Acton, 6th Baronet (1736–1811), his grandfather, admiral and Prime Minister of the Kingdom of NaplesCharles Januarius Edward Acton (1803–1847), his uncle, Cardinal of Santa Maria della PaceGuglielmo Acton (1825–1896), his first cousin once removed, officer in the Neapolitan Navy, attempted to intercept Garibaldi at MarsalaHarold Acton (1904–1994), his distant cousin, writer, dandy and dilettanteAbraham Acton (1893–1915), British Army soldierAlejandro Acton (born 1972), Argentine cyclistAlfredo Acton (1867–1934), Italian admiral, politician and Chief of Staff of the Italian NavyAnna Acton (born 1979), British actressBrian Acton (born 1972), American computer programmer and Internet entrepreneurBrigitte Acton (born 1985), Canadian alpine skierBud Acton (born 1942), American basketball playerCarlo Acton (1829–1909), Italian composer and pianistCharles Acton (disambiguation)Dawn Acton (born 1977), English actress and deejayEdward Acton (disambiguation)Eliza Acton (1799–1859), English poet and cookFerdinando Acton (1832–1891), Italian naval admiral and politicianForman S. Acton (born 1920), American computer scientist and writerH. B. Acton (1908–1974), British writer and philosopherHenry Acton (1797–1843), English Unitarian ministerJames Acton (1848–1924), English cricketerJames M. Acton, British academic and scientistJoe Acton (1852–1917), English wrestlerJohn Acton (disambiguation)Keith Acton (born 1958), Canadian former National Hockey League playerLoren Acton (born 1936), American physicist and astronautMarv Acton (born 1944), American NASCAR driverPrue Acton (born 1943), Australian fashion designerR. G. Acton (1864/1865–1900), American football coachRalph Acton (fl. 14th century), English theologian and philosopherSir Richard Acton, 5th Baronet (1712–1791), English baronetRobert Acton (1497–1558), English politicianSamuel Acton (c.1773–1837), English architectScott T. Acton, American professorShane Acton, English sailor known for circumnavigating the globeThomas Acton (1662–1721), English JesuitThomas C. Acton (1823–1898), American public servant, politician, reformer and police commissionerSir Walter Acton, 2nd Baronet (c. 1621–1665), English landowner and politicianWhitmore Acton (c. 1677–1731/32), British baronet and politicianWilliam Acton (disambiguation), several people with this name, including:William Acton (doctor) (1813–1875), British doctor and writerMarion Adams-Acton (1846–1928), Scottish novelistMurray Adams-Acton (1886–1971), English art and architecture historian, and interior designerActon Adams (1843–1924), British politicianActon Smee Ayrton (1816–1886), British barrister and politicianMichael Acton Smith (born 1974), British businessman