Kunz, Künz, or Kunze is a surname. Notable people with the surname include:
Adrian Kunz (born 1967), Swiss international footballer
Alfred Kunz (1931–1998), American murdered Catholic priest
Alfred Kunz (born 1929), Canadian composer and conductor
Andreas Kunz (born 1946), 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
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
Hansjörg Kunze (born 1959), German track and field athlete
Helmut Kunz, (1910–1976), Nazi doctor
Heinz Rudolf Kunze (born 1956), German writer and rock singer
John Christopher Kunze (1744–1807), German-American Lutheran pietist theologian
Johannes Kunze (1903–1943), German World War II prisoner of war
Michael Kunze (born 1943), German lyricist, book writer and librettist
Reiner Kunze (born 1933), German writer and GDR dissident
Rudibert Kunz (born 1943), German investigator, journalist and television editor
Rudolf Kunz, German motorcycle road racer
Terry Kunz (born 1952), American football player
Spencer Kunze (born 1991), Austrian Kabuki performer
Stanley H. Kunz (1864–1946), American politician
Urs Kunz (born 1974), Swiss skier