Arno (; ) is both a surname and a Germanic given name. Notable people with the name include:

People with the given name Arno of Salzburg (–821), Archbishop of Salzburg also known as Arn or Aquila Arno von Endsee (died 892), Bishop of Würzburg

Academics Arno Gruen (1923–2015), Swiss-German psychologist and psychoanalyst Arno Kuijlaars (born 1963), Dutch mathematician Arno Lustiger (1924–2012), German historian and author Arno J. Mayer (1926–2023), Luxembourg-born American historian Arno Motulsky (1923–2018), German-born American pharmacologist and genomicist Arno Allan Penzias (1933–2024), German-born American physicist, radio astronomer and Nobel laureate Arno Peters (1916–2002), German historian, known for the Peters world map Arno Poebel (1881–1958), German Assyriologist Arno Schirokauer (1899–1954), German-Jewish literary scholar Arno Ros (born 1942), German philosopher Arno Villringer (born 1958), German neurologist Arno Arthur Wachmann (1902–1990), German astronomer

Arts Arno (singer) (1949–2022), stage name of Belgian singer Arno Hintjens Arno Assmann (1908–1979), German actor, film director and television writer Arno Babajanian (1921–1983), Armenian composer and pianist Arno Bornkamp (born 1959), Dutch classical saxophonist Arno Camenisch (born 1978), Swiss writer Arno Breker (1900–1991), German sculptor Arno Carstens (born 1972), South African singer-songwriter Arno Cost (born 1986), stage name of Vadim Arnaud Constentin, French musician, DJ and producer Arno Fischer (1927–2011), German photographer Arno Frey (1900–1961), German actor in Hollywood Arno Frisch (born 1975), Austrian actor Arno Gasteiger (born 1962), Austrian-born New Zealand photographer Arno Geiger (born 1968), Austrian novelist Arno Greeff, South African actor Arno Holz (1863–1929), German naturalist poet and dramatist Arno Jordaan, South African pop singer Arno Karlen (1937–2010), American poet, psychoanalyst, and popular science writer Arno Liiver (1954–2026), Estonian actor Arno Marsh (1928–2019), American jazz saxophonist Arno Menses, Dutch rock singer and guitarist Arno Rafael Minkkinen (born 1945), Finnish photographer in the US Arno Mohr (1910–2001), German painter and graphic artist Arno Morales (born 1993), Filipino actor Arno Nadel (1878–1943), Jewish musicologist, composer, playwright, poet, and painter Arno Paduch, German cornett player and conductor Arno Paulsen (1900–1969), German film actor Arno Rink (1940–2017), German painter Arno Santamaria (born 1978), French singer-songwriter Arno Schmidt (1914–1979), German author and translator Arno Suislep (born 1981), Estonian singer Arno Surminski (born 1934), German writer Arno Suurorg (1903–1960), Estonian actor

Government, military, and religion Arno Anthoni (1900–1961), Finnish lawyer, director of the State Police Arno Doerksen (born 1958), Canadian politician Arno Esch (1928–1951), German liberal politician in the Soviet Occupation Zone Arno C. Gaebelein (1861–1945), American Methodist minister Arno Jahr (1890–1943), German Wehrmacht general Arno Kompatscher (born 1971), Italian politician, president of South Tyrol Arno Lamoer, South African police commissioner Arno von Lenski (1893–1986), German general and East German politician Arno H. Luehman (1911–1989), United States Air Force general Arno Rutte (born 1972), Dutch VVD politician Arno Sild (born 1947), Estonian politician Arno Voss (1821–1888), German-American military commander, lawyer, and politician

Sports Arno Almqvist (1881–1940), Finnish colonel and modern pentathlete Arno Bertogna (born 1959), Australian association football player Arno Bieberstein (1884–1918), German swimmer Arno Botha (born 1991), South African rugby player Arno Breitmeyer (1903–1944), German sport official Arno Claeys (born 1994), Belgian footballer Arno del Curto (born 1956), Swiss ice hockey player and coach Arno Ehret (born 1953), West German handball player Arno Glockauer (1888–1966), German gymnast Arno den Hartog (born 1954), Dutch field hockey player Arno Havenga (born 1974), Dutch water polo player Arno Hesse (1887–?), German middle-distance runner Arno Jacobs (born 1977), South African cricketer Arno Klaassen (born 1979), Dutch bobsledder Arno Klasen (born 1967), German racecar driver Arno Kozelsky (born 1981), Austrian footballer Arno Lietha (born 1998), Swiss ski mountaineer Arno Neumann (1885–1966), German footballer Arno Pijpers (born 1959), Dutch football coach (born 1991), South African rugby player Arno Rossini (born 1957), Swiss football manager Arno Saarinen (1884–1970), Finnish gymnast Arno Steffenhagen (born 1949), German footballer Arno Strohmeyer (born 1963), Austrian fencer Arno Van de Velde (born 1995), Belgian volleyball player Arno van Wyk (born 1994), South African rugby player Arno Verschueren (born 1997), Belgian footballer Arno Wohlfahrter (born 1964), Austrian cyclist Arno Wallaard (1979–2006), Dutch cyclist Arno van Zwam (born 1969), Dutch footballer Arno van der Zwet (born 1986), Dutch track cyclist

Other people Arno Benzler, German World War I flying ace Arno Berg (1890– 1974), Swedish-Norwegian architect and antiquarian Arno B. Cammerer (1883–1941), American director of the U.S. National Park Service Arno H. Denecke (1916–1993), American jurist Arno Funke (born 1950), German extortionist Arno Kopecky, Canadian journalist and travel writer Arno Nickel (born 1952), German correspondence chess Grandmaster Arno Schmidt (born ), Austrian chef and food critic Arno Zude (born 1964), German chess master and problemist

Fictional characters with the given name , titular character in a comic strip by André Juillard and Jacques Martin Arno, a character in the movie Uncut Gems Arno Blunt, antagonist in the book Artemis Fowl: The Eternity Code. Arno Brandner, fictional character on German soap opera Verbotene Liebe (Forbidden Love) Arno Victor Dorian, a French-Austrian Assassin and the protagonist of Assassin's Creed Unity. Arno Stark, Marvel Comics character known as Iron Man 2020 Arno, a character in Logical Journey of the Zoombinis. Arno the Moose, a character from the Reader Rabbit series.

People with the surname Alice Arno, stage name of Marie-France Broquet (born 1946), French actress and model Audrey Arno (1942–2012), German singer and actress Bob Arno, Swedish-born American pickpocket entertainer and criminologist Christian Arno (born 1978), British businessman Diana Arno (born 1984), Estonian model and fashion designer Ed Arno (1916–2008), American cartoonist Ferdinando Arnò (born 1959), Italian composer, record producer, and arranger Madame Arno, Parisian artist and fighter Nelly Arno (1892–1966), British actress Peter Arno (1904–1968), American cartoonist Robert Arno, engineer Sig Arno (1895–1975), German-Jewish film actor

See also Arno (disambiguation) Arno (god), a river god