Kuntz is a German surname. The name originated as a short form of Konrad meaning "bold adviser". Notable people with the surname include:
Alan Kuntz (1919–1987), Canadian ice hockey player
Andy Kuntz (born 1962), German progressive metal singer
Bobby Kuntz (died 2011), Canadian football linebacker
Harry Kuntz (died 1973), Canadian politician
Murray Kuntz (born 1945), Canadian ice hockey right winger
Robert J. Kuntz (born 1955), American game designer
Roger Kuntz (died 1975), an American landscape painter
Russell "Rusty" Kuntz (born 1955), American baseball player
Stefan Kuntz (born 1962), German footballer
Terry Kuntz (born 1953), American game designer
Thomas Kuntz (born 1965), American multi-media artist
Tom Kuntz (born 1972), American filmmaker