Kunz, Künz, or Kunze is a surname. Notable people with the surname include:

• Kunz (singer) (Marco Kunz, born 1985), Swiss singer
• Adrian Kunz (born 1967), Swiss international footballer
• Alfred Kunz (Catholic priest) (1931–1998), American murdered Catholic priest
• Alfred Kunz (composer) (1929–2019), Canadian composer and conductor
• Andreas Kunz (1946-2022), German skier
• Andreas Kunze (1952-2010), German actor
• Anita Kunz (born 1956), Canadian artist and illustrator
• Charlie Kunz (1896–1958), American pianist
• Dana Kunze, American high diver
• Drew Kunz (born 1969), American poet and artist
• Earl Kunz (1898–1963), American professional baseball pitcher
• Eddie Kunz (born 1986), American professional baseball pitcher
• Eric Kunze (born 1971), American Broadway actor and singer
• Erich Kunz (1909–1995), Austrian operatic baritone
• Ernst Künz (1912–1944), Austrian football (soccer) player
• Eva Kunz (1947-2023), German politician
• Florian Kunz (born 1972), German field hockey player
• George Kunz (born 1947), American football player
• George Frederick Kunz (1856–1932), American mineralogist
• Gustav Kunze (1793–1851), German zoologist, botanist and entomologist whose standard botanical author abbreviation is Kunze
• Hansjörg Kunze (born 1959), German track and field athlete
• Heinz Rudolf Kunze (born 1956), German writer and rock singer
• Helmut Kunz, (1910–1976), Nazi doctor
• John Christopher Kunze (1744–1807), German-American Lutheran pietist theologian
• Johannes Kunze (1903–1943), German World War II prisoner of war
• Kahena Kunze (born 1991), Brazilian sailor, 2 times olympic gold medalist (2016 - Rio, 2020 - Tokyo)
• Kerstin Kunze (born 1971), German chess master
• Michael Kunze (born 1943), German lyricist, book writer and librettist
• Nicolin Kunz (1953–1997), Austrian actress
• Reiner Kunze (born 1933), German writer and GDR dissident
• Richard Kunze (1872-1945), German politician
• Rudibert Kunz (born 1943), German investigator, journalist and television editor
• Rudolf Kunz, German motorcycle road racer
• Terry Kunz (born 1952), American football player
• Stanley H. Kunz (1864–1946), American politician from Illinois
• Stephanie Kunze (born 1970), American politician from Ohio
• Urs Kunz (born 1974), Swiss skier