Waltz, as a surname, may refer to:
People:
Christoph Waltz (born 1956), Academy Award-winning Austrian-German actor
David Waltz (1943–2012), American computer scientist and professor
Gustavus Waltz, (fl. 1732–1759) English opera singer
Ian Waltz (born 1977), American discus thrower
Jacob Waltz, the "Dutchman" (actually a German immigrant) of the Lost Dutchman's Gold Mine legend
John Waltz (baseball) (1860–1931), American baseball manager (for eight games) and executive
Kenneth Waltz (1924-2013), American professor and scholar of international relations
Mike Waltz (born 1974), American politician
Marilyn Waltz (1931–2006), Playboy Playmate of the Month for February (as Margaret Scott) and April 1954 and April 1955
Patrick Waltz (1924–1972), American film and television actor
Sasha Waltz (born 1963), German choreographer, dancer and leader of the dance company Sasha Waltz and Guests
Susan Waltz, American political scientist
Fictional characters:
Count Waltz, the main antagonist in the video game Eternal Sonata
Vincent Waltz an antagonist in Dying Light 2 Stay Human