Heinz is a German given name, a diminutive of Heinrich and cognate of the given name Henry. People with this given name include:

People with the given name Heinz

• Heinz Allersmeier (1917–2001), German Army officer in World War II
• Heinz von Allmen (1913–2003), Swiss Olympic skier
• Heinz Alt (1922–1945), German composer and victim of the Nazi regime
• Heinz Anger (born 1941), Austrian painter
• Heinz Ansbacher (1904–2006), German-American psychologist
• Heinz Arndt (1915–2002), Australian economist
• Heinz Arnold (1919–1945), German Luftwaffe fighter ace
• Heinz Arzberger (born 1972), Austrian football player
• Heinz Auerswald (1908–1970), German lawyer and member of the SS
• Heinz Barwich (1911–1966), German nuclear physicist
• Heinz Burt (1942–2000), German-born British pop singer
• Heinz Edelmann (1934–2009), German illustrator and designer
• Heinz Fiedler (1929–1993), German general
• Heinz Erhardt (1909–1979), German comedian, entertainer and actor
• Heinz Fischer (born 1938), President of Austria
• Heinz von Foerster (1911–2002), Austrian-American physicist and philosopher
• Heinz Galinski (1912–1992), president of the Central Council of Jews in Germany
• Heinz Guderian (1888–1954), German general during World War II, one of the principal commanders of Eastern Front (World War II) and Battle of Moscow
• Heinz-Günther Guderian (1914–2004), German officer in the Wehrmacht and later NATO, son of Heinz Guderian
• Heinz Günthardt (born 1959), Swiss tennis player
• Heinz van Haaren (born 1940), Dutch football player
• Heinz-Harald Frentzen (born 1967), German racing driver
• Heinz Harant (1919—1992), Australian student activist
• Heinz Heck (1894–1982), German biologist and zoo director
• Heinz Werner Höber (1931–1996), prolific pulp fiction author
• Heinz Hoenig (born 1951), German actor
• Heinz Höher (1938–2019), German footballer
• Heinz Höhne (1926–2010), German journalist and historian
• Heinz Hopf (1894–1971), German mathematician
• Heinz-Otto Kreiss (1930–2015), German mathematician
• Heinz Kühn (1912–1992), German politician
• Heinz Kurschildgen, German charlatan
• Heinz Rudolf Kunze (born 1956), German singer
• Heinz Lembke (1937–1981), German right-wing extremist
• Heinz-Georg Lemm (1919–1994), German military officer
• Heinz Linge (1913–1980), SS officer who served as Adolf Hitler's valet
• Heinz A. Lowenstam (1912–1993), German-born, Jewish-American paleoecologist
• Heinz von Lichberg (1890–1951), German author known for his 1916 short story Lolita
• Heinz Magenheimer (born 1943), Austrian historical revisionist
• Heinz Mayr (born 1935), German racewalker
• Heinz Plank (born 1945), German painter, draughtsman and graphic artist
• Heinz von Randow (1890–1942), German army general in World War II
• Heinz Raack (1917-2002), German hockey player
• Heinz Rühmann (1902–1994), German actor
• Heinz Spoerli (born 1940), Swiss choreographer
• Heinz Staab (1926–2012), German chemist and director of the Max Planck Society
• Heinz Steinberger (born 1958), Austrian ice speed skater
• Heinz-Christian Strache (born 1969), Austrian politician and former Vice-Chancellor
• Heinz Weber (born 1976), Austrian former footballer
• Heinz Winckler (born 1978), singer, winner of the first South Africa Idols competition
• Heinz Wolff (1928–2017), German-British scientist and TV presenter
• Heinz Zander (born 1939), German artist and writer

People better known by other names

• Heinz Alfred Kissinger (Henry Kissinger), German-born American academic, political scientist, diplomat, and businessman
• Heinz Horst Bodo Dettke (Bodo Dettke), a Solomon Islands politician
• Heinz Kurt Bolender (Kurt Bolender), SS officer in World War II
• Heinz Strobl (Gandalf), Austrian New Age composer
• Heinz-Frederic Jolles (Henry Jolles), a German pianist and composer
• Heinz-Georg Kramm (Heino), German singer and entertainer

Fictional characters

• Heinz, a character from the Japanese animated film Memories
• Heinz, a Dutch comic strip about a grumpy, sarcastic cat by René Windig and Eddie de Jong.
• Heinz Doofenshmirtz, a fictional character from Phineas and Ferb
• Heinz Kruger, a German spy during World War II in the Marvel Comics universe
• Heinz Thorvald, character in the 1999 novel War of the Rats
• Heinz Thorvald, character in the 2001 film Enemy at the Gates
• Heinz, main character in Luka Karnstein's "The Meeting Place"