Dietmar

 ( German Masculine Given Names ) 

Dietmar is a German forename.

• Dietmar I (archbishop of Salzburg), ruled 874 to 907
• Dietmar von Aist, Minnesinger from a baronial family of Upper Austria, documented between 1140 and 1171
• Dietmar Bär (born 1961), German actor
• Dietmar Bartsch (born 1958), German politician, former Bundesgeschäftsführer
• Dietmar Beiersdorfer (born 1963), former footballer and coach
• Dietmar Berchtold (born 1974), Austrian football midfielder
• Dietmar Bonnen (born 1958), German composer and pianist
• Dietmar Bruck (born 1944), former professional footballer
• Dietmar Burger (born 1968), Austrian darts player
• Dietmar Constantini (1955–2024), Austrian footballer and manager
• Dietmar Danner (born 1950), retired German footballer
• Dietmar Dath (born 1970), German novelist
• Dietmar Demuth (born 1955), German former footballer who is now manager
• Dietmar Falkenberg, East German former bobsledder
• Dietmar Feichtinger (born 1961), Austrian architect in Paris
• Dietmar Hötger (born 1947), German judo athlete
• Dietmar Haaf (born 1967), former (West) German long jumper
• Dietmar Hamann (born 1973), German footballer
• Dietmar Hirsch (born 1971), retired German football player
• Dietmar Hopp (born 1940), German software entrepreneur
• Dietmar Jerke, East German bobsledder
• Dietmar Keck (born 1957), Austrian politician
• Dietmar Kirves (born 1941), multimedia artist
• Dietmar Klinger (born 1958), retired German football player
• Dietmar Koszewski (born 1967), retired German hurdler
• Dietmar Kühbauer (born 1971), former Austrian football midfielder
• Dietmar Lorenz (1950–2021), East German judoka
• Dietmar Mögenburg (born 1961), former (West) German high jumper and Olympic gold medallist
• Dietmar Mürdter (1943–2003), former professional German footballer
• Dietmar Meinel, German Nordic combined skier
• Dietmar Meisch (born 1959), retired East German race walker
• Dietmar Rosenthal (1899–1994), Russian linguist
• Dietmar Roth (born 1963), former German footballer
• Dietmar Rothermund, Germany historian best known for his research in the economy of India
• Dietmar Saupe (born 1954), fractal researcher and professor of computer science, University of Konstanz, Germany
• Dietmar Schönherr (1926–2014), Austrian film actor
• Dietmar Schacht (born 1962), former professional German footballer
• Dietmar Schauerhammer (born 1955), East German two-time Winter Olympic champion
• Dietmar Schiller, German rower
• Dietmar Schlöglmann (born 1955), Austrian sprint canoeist
• Dietmar Schmidt (born 1952), former East German handball player
• Dietmar Schwager (1940–2018), retired German football coach and player
• Dietmar Schwarz (born 1947), German rower
• Dietmar Seyferth (1929–2020), German-American chemist, Professor Emeritus of MIT
• Dietmar Vestweber (born 1956), biochemist & cell biologist, founding director of the Max-Planck-Institute for Molecular Biomedicine in Münster, Germany
• Dietmar Wittmann, M.D., Ph.D., FACS is an academic surgeon specializing in complex abdominal surgery
• Dietmar Wuttke (born 1978), German former footballer
• Dietmar Lampert (born 1966), Liechtenstein politician
• Gert-Dietmar Klause (born 1945), a former East German cross-country skier

• Dietmar-Hopp-Stadion, a football ground in Sinsheim, Baden-Württemberg, Germany
• Thietmar (disambiguation)