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
See also Hanna Gronkiewicz-Waltz (born 1952), Polish politician Walz, a surname