Acker comes from German or Old English, meaning "field". It is related to the word "acre", and therefore Ackermann means "fieldman".
Notable people with the surname include:
Anton Ackermann (1905–1973), German foreign ministerBarbara Ackermann, American politicianBryan Ackermann, American IT LeaderChristian Ackermann (died 1710), Estonian sculptorColin Ackermann (born 1991), South African cricketerDorothea Ackermann (1752–1821), German actressErnst Christian Wilhelm Ackermann (1761–1835), Bohemian public servantFranz Ackermann (born 1963), German abstract artistGeorg Ackermann (disambiguation)Gustav Adolph Ackermann (1791–1872), German lawyerHaider Ackermann (born 1971), French fashion designerHans Ackermann (16th century), German dramatistHenri Ackermann (1922–2014), Luxembourgian racing cyclistJacob Fidelis Ackermann (1765–1815), German doctorJens Ackermann (born 1975), German politicianJessie Ackermann (1857–1951), social reformer, feminist, writer, travellerJohan Ackermann (born 1970), South African rugby union playerJohan Christian Ackermann (1740–1795), Swedish landscape gardenerJohann Adam Ackermann (1780–1853), German landscape painterJohann Christian Gottlieb Ackermann (1756–1801), German doctorJosef Ackermann (disambiguation), several people with this name, including:Josef Ackermann (born 1948), Swiss banker and former chief executive officer of Deutsche BankKirk von Ackermann (died 2003), American contractor and murder victimKlaus Ackermann (born 1946), German footballerKonrad Ernst Ackermann (1710–1771), German actorLeopold Ackermann (Petrus Fouresius, 1771–1831), biblical archaeologistLiliane Ackermann (1938–2007), French scientist and authorLouise-Victorine Ackermann (1813–1890), French poetLourens Ackermann (born 1934), South African judgeManfred Ackermann (1898–1991), Austrian politician and trade union officialMarie Magdalene Charlotte Ackermann (1757–1775), German actressMax Ackermann (1887–1975), German artistOliver Ackermann, American musicianOtto Ackermann (disambiguation)Rita Ackermann (born 1968), Hungarian-American artistRonny Ackermann (born 1977), German skierRosemarie Ackermann (born 1952), German high jumperRudolph Ackermann (1764–1834), German-born English publisher, printer, and inventorSilke Ackermann, German museum curator and historian of scienceSophie Charlotte Ackermann (1714–1792), German actressStefan Ackermann, German singerStephan Ackermann (born 1963), German bishopStephanus Ackermann (born 1985), Namibian cricketerTheodor Ackermann (1825–1896), German pathologistUwe Ackermann (born 1960), East German hurdlerWilhelm Ackermann (1896–1962), German mathematicianWilhelm Heinrich Ackermann (1789–1848), German teacher