Otto is a German, Dutch, Hungarian, Danish, and Swedish surname. Notable people with the surname include:
Arts and entertainment Arthur H. Otto (1876–?), Australian organist, composer, singer and music teacher Barry Otto (born 1941), Australian actor Gertrud Otto (1895–1970) German art historian John Otto (drummer) (born 1977), Canadian-born American drummer, original member of the band Limp Bizkit John Otto (radio personality) (1929–1999), American radio talk show host Justine Otto (born 1974), German artist Lisa Otto (1919–2013), German opera singer Ludwig Otto (1850—1920), a German landscape painter, etcher and lithographer Miranda Otto (born 1967), Australian actress, daughter of Barry Natalino Otto (1912–1969), Italian singer Ralf Otto (born 1956), German choral conductor and academic teacher Shawn Lawrence Otto, American author, filmmaker and political strategist Waldemar Otto (1929–2020), Polish-born German sculptor Whitney Otto, American author of How to Make an American Quilt Otto (composer) (first name unknown, fl. 18th century), composer of the early classical period
Science and academics Adolph Wilhelm Otto (1786–1845), German anatomist Berthold Otto (1859–1933), German pedagogue Catherine Otto, author of echocardiography textbooks Christoph Friedrich Otto (1783–1856), German botanist Felix Otto (mathematician) (born 1966), German mathematician Frank Otto (academic) (1936–2017), American educator and entrepreneur
Sports Anita Otto (born 1942), German discus thrower Glenn Otto (born 1996), American baseball player Hennie Otto (born 1976), South African golfer Jim Otto (1938–2024), American football player Joel Otto (born 1961), ice hockey player John Otto (cyclist) (1900–1966), American Olympic cyclist Jonathan Castro Otto (born 1994), Spanish football player Kristin Otto (born 1968), German swimmer Krynauw Otto (born 1971), South African rugby player Ricky Otto (born 1967), English footballer Sylke Otto (born 1969), German luger Tracy Otto (born 1995), American Paralympic archer Werner Otto (cyclist) (born 1948), East German track cyclist Werner Otto (footballer) (1929–2025), German (Saarland) footballer
Other Charles J. Otto (1964–2025), American politician from Maryland Frei Otto (1925–2015), German architect Gustav Otto (1883–1926), German aircraft and aircraft-engine designer and manufacturer Jan Otto (1841–1916), publisher of Otto's encyclopedia John Otto (FBI acting director) (1938–2020), acting director of the FBI in 1987 John Otto (park ranger) (1870–1952), first superintendent at Colorado National Monument John Otto (politician) (1948–2020), American politician John Conrad Otto (1774–1844), American physician Lena Otto (born 1993), German politician Mary Otto, American journalist Michael Otto (businessman) (born 1943), German businessman Nicolaus Otto (1832–1891), coinventor of the Otto cycle Rudolf Otto (1869–1937), German theologian Venantia Otto (born 1987), Namibian fashion model William Tod Otto (1816–1905), American judge Walter Friedrich Otto (1874–1958), German philologist
See also Otto, given name Otto (disambiguation), other uses