Hans-Dieter or, more rarely, Hans Dieter, are German masculine given names, composed of Hans and Dieter. Notable people with these names include:
People named Hans-Dieter Hans-Dieter Bader (1938–2022), German operatic tenor Hans-Dieter Beckey (1921–1992), German physicist and mass spectrometry researcher Hans-Dieter Betz (born 1940), German experimental physicist Hans-Dieter Beutel (born 1962), German tennis player Hans-Dieter Brenner (born 1952), German banker Hans-Dieter Brüchert (born 1952), German freestyle wrestler Hans-Dieter Flick, known as Hansi Flick (born 1965), German football player and manager Hans-Dieter Frank (1919–1943), German Luftwaffe military aviator during World War II Hans-Dieter Karras (born 1959), German church musician, composer and organist Hans-Dieter Krampe (1937–2019), East German football player Hans-Dieter Kronzucker, known as Dieter Kronzucker (born 1936), German journalist and television presenter Hans-Dieter Lange (1926–2012), East German TV journalist and anchorman Hans-Dieter Lucas (born 1959), German diplomat Hans-Dieter Pophal (born 1937), German diver Hans-Dieter Riechel (1934–2014), German biathlete Hans-Dieter Schmidt (born 1948), German football player and manager Hans-Dieter Schulten (born 1940), German middle-distance runner Hans-Dieter Seelmann (born 1952), German football player Hans-Dieter Sues (1956–2026), German-born American palaeontologist Hans-Dieter Tippenhauer (1943–2021), German football manager Hans-Dieter Wacker (1958–1993), German football player
People named Hans Dieter Hans Dieter Aigner (born 1958), Austrian artist and writer Hans Dieter Beck (1932–2025), German publisher Hans Dieter Betz (born 1931), German-born American scholar of the New Testament and Early Christianity Hans Dieter Kiesel, former German curler Hans Dieter Pötsch (born 1951), Austrian businessman
See also Hanns Dieter Hüsch (1925–2005), German literary cabaret artist and author