Arnold is a German and English surname. Notable people with the surname include:
Alice Arnold (born 1962), British broadcaster and journalistAnn Arnold (1936–2015), English artistBrad Arnold (born 1978), 3 Doors Down singerBenedict Arnold (disambiguation), several peopleCecile Arnold (1891 or 1895–1931), American silent film actressClinton E. Arnold (born 1958), American New Testament scholar and former president of the Evangelical Theological SocietyCornelius Arnold (1711–after 1757), American poetical writerDavid Arnold (disambiguation), several peopleDelia Arnold (born 1986), Malaysian squash playerDominique Arnold (born 1973), American hurdling athleteDorothy Arnold (1917–1984), American film actressDouglas N. Arnold, American mathematicianĐuro Arnold (1853–1941), Croatian writer and philosopherEberhard Arnold (1883–1935), German writer, philosopher, and theologianEddy Arnold (1918–2008), American country music singerEduardo Arnold (born 1947), Argentine politicianEdward Arnold (disambiguation), several peopleSir Edwin Arnold (1832–1904), English poet and journalistEdwin Lester Arnold (1857–1935), English authorFlorence Arnold, English singer, songwriter and drummer best known as FlorrieFrank Arnold (disambiguation), several peopleFranz Arnold (1878-1960), Germany comedy writerFriedrich Arnold (1803–1890), German anatomistGeoff Arnold (born 1944), English cricketerGeorg Arnold-Graboné (1896–1982), German painter and art teacherGodfrey Edward Arnold (1914–1989), Austrian American professor of medicineGraham Arnold (born 1963), Australian association football player and managerHelen Arnold, silent film actressHenry H. Arnold (1886–1950), American aviation pioneer and commanding generalHorace Lucian Arnold (died 1915), early American writer on managementIan Arnold (born 1972), English former association football playerIsaac N. Arnold (1815–1884), congressman during American Civil War; biographer of Abraham LincolnJames Arnold (disambiguation), several peopleJamie Arnold (disambiguation), several peopleJay Arnold (American football) (born 1912), American football player for Philadelphia Eagles and Pittsburgh SteelersJay Arnold (filmmaker), American film director, producer, screenwriterJennette Arnold, Montserrat-born British politician and member of the Greater London AssemblyJim Arnold (disambiguation), several peopleJoanne Arnold (born 1931), American actress and modelJoe Arnold (born 1947), American baseball coachJohn Arnold (disambiguation), several peopleJonathan Arnold (1741–1793), American physician and statesmanLenna Arnold (1920–2010), All-American Girls Professional Baseball League playerLucas Arnold Ker (born 1974), Argentine professional tennis playerLuke Arnold (born 1984), Australian actorMalcolm Arnold (1921–2006), English composer and symphonistMarc Arnold (born 1970), South African former association football playerMartin Arnold (born 1959), Austrian film directorMartin Arnold (journalist) (1929–2013), American journalistMatthew Arnold (1822–1888), English poet and cultural criticMonica (entertainer) (Monica Denise Arnold) (born 1980), American singerNathan Arnold (born 1987), English footballerNicholas Arnold (disambiguation), several peopleNick Arnold (writer), British writerNick Arnold (footballer) (born 1993), English footballerNorbert P. Arnold (1920-2014), American politician and invenotP. P. Arnold, American soul singerPatricio Arnold (born 1971), Argentine former professional tennis playerRichard Arnold (disambiguation), several peopleRobert Arnold (disambiguation), several peopleRuss Arnold, American bridge playerRussel Arnold (born 1973), Sri Lankan cricketerSamuel Arnold (disambiguation), several peopleTom Arnold (disambiguation), several peopleThomas Arnold (disambiguation), several peopleVictor Arnold (disambiguation), several peopleVladimir Arnold (1937–2010), Russian mathematicianWerner Arnold (born 1931), German weightlifterWilliam Arnold (disambiguation), several people