Udo is a masculine given name. It may refer to:

Medieval era

*Udo of Neustria, 9th-century nobleman *Udo (Obotrite prince) (died 1028) *Udo (archbishop of Trier) (c. 1030 – 1078) *Lothair Udo II, Margrave of the Nordmark (c. 1025 – 1082)

Modern era

*Udo Anneken (1917–1997), German Wehrmacht officer in World War II, recipient of the Knight's Cross of the Iron Cross *Udo Bullmann (born 1956), German politician *Udo Cordes (1921–2007), German Luftwaffe officer in World War II, recipient of the Knight's Cross of the Iron Cross *Udo Di Fabio (born 1954), German jurist *Udo Dziersk (born 1961), German painter *Udo Z. Karzi (born 1970), Indonesian writer *Udo Kasemets (1919–2014), Estonian-Canadian composer *Udo Keppler (1872–1956), American cartoonist *Udo Kier (born 1944), German actor *Udo Max Hollrung (1858–1937), German botanist *Udo Pastörs (born 1952), German far-right politician *Udo Proksch (1934–2001), Austrian businessman, industrialist and murderer *Udo Samel (born 1953), German actor *Udo Schaefer (1926–2019), German lawyer and Bahá'í author *Udo Schnelle (born 1952), German theologian and professor *Udo Sellbach (1927–2006), German-Australian visual artist and educator *Udo Spreitzenbarth, German photographer *Udo Steinke (1942–1999), German writer *Udo Uibo (born 1956), Estonian literary critic, editor, translator and lexicographer *Udo Voigt (born 1952), German politician and former soldier *Udo Walendy (1927–2022), German author, historian, former soldier and Holocaust denier *Udo Weilacher (born 1963), German landscape architect, author and professor *Udo von Woyrsch (1895–1983), high-ranking Nazi SS officer responsible for numerous murders during the Holocaust *Udo Zander (born 1959), Swedish organizational theorist and former professor of business administration

Music

*Udo Dahmen (born 1951), German drummer and author *Udo Dirkschneider (born 1952), German heavy metal vocalist who formed the band U.D.O. *Udo Jürgens (1934–2014), Austrian composer and singer *Udo Lindenberg (born 1946), German rock musician and composer *Udo Mechels (born 1976), Belgian musician often known simply as "Udo" *Udo Suzuki (born 1970), Japanese musician and comedian *Udo Zimmermann (1943–2021), German composer, music director and conductor

Sports

*Udo Beyer (born 1955), East German shot putter *Udo Bölts (born 1966), German retired racing cyclist *Udo Fortune (born 1988), Nigerian soccer player *Udo Gelhausen (born 1956), West German shot putter *Udo Hempel (born 1946), German retired road and track cyclist *Udo Horsmann (born 1952), German former footballer *Udo Kiessling (born 1955), first ice hockey player to compete in five Olympic Games (1976–1992) *Udo Lattek (1935–2015), German football player and coach and TV pundit *Udo Lehmann (born 1973), German former bobsledder *Udo Müller, East German slalom canoeist who competed in the 1970s *Udo Nwoko, Udochukwu "Udo" Nwoko (born 1984), Maltese-Nigerian footballer *Udo Onwere (born 1971), English former footballer *Udo Poser (born 1947), East German swimmer *Udo Quellmalz (born 1967), German judoka *Udo Raumann (born 1969), German former slalom canoer *Udo Riglewski (born 1966), German retired tennis player *Udo Schütz (born 1937), German racing driver *Udo Schwarz (born 1986), German international rugby union player *Udo Segreff (born 1973), German ice sledge hockey player *Udo Wagner (born 1963), German fencer *Udo Werner (1955–2012), West German slalom canoeist who competed from the late 1970s to the mid-1980s

Other

*Udo of Aachen, fictional 13th-century monk created as a 1999 April Fool's hoax *Udo the Red Panda, mascot of the University of Mannheim athletics teams {{Given name German masculine given names Masculine given names Estonian masculine given names