Wolf HaasHaas, also de Haas, is a German and Dutch surname, also Jewish (Ashkenazic), usually from Hase or de Haas, the German and Dutch words for "hare". It is also a given name. Notable people with the surname include the following:
Andreas Haas (born 1982), German footballer
Arthur Erich Haas (1884–1941), Austrian physicist
Barbara Haas (born 1996), Austrian tennis player
Bénédicte Haas (born 1976), French mathematician
Bernt Haas (born 1978), Austrian footballer
Bill Haas (born 1982), American golfer
Bob Haas (born 1942), American business executive
Brittany Haas (born 1987), American Fiddler
Carl Haas (1929–2016), American auto racing impresario
Charles F. Haas (1913–2011), American film and television director
Charles S. Haas (born 1952), American screenwriter and actor
Charlie Haas (born 1972), American wrestler
Christian Haas (born 1958), German sprinter
Chrislo Haas (1956–2004), German musician
Christl Haas (1943–2001), Austrian skier
Clark Haas (1919–1978), American cartoonist
Conrad Haas (1509–1576), Austrian military engineer
Damien Haas (born 1990), German-born American actor
Daniel Haas (born 1983), German footballer
Darius de Haas (born 1968), American stage actor and singer
David Haas (born 1957), American author and composer of liturgical music
Dolly Haas (1910–1994), German-American actress
Earle Haas (1888–1981), inventor of the modern menstrual tampon
Eddie Haas (born 1935), American baseball outfielder and manager
Eduard Haas (1897–1989), Austrian inventor of Pez candy
Ernst Haas (1921–1986), Austrian photographer and photojournalist
Ernst B. Haas (1924–2003), American political scientist
Felix Haas, German investor
Frank Joseph Haas, American freemason from West Virginia
Fred Haas (1916–2004), American golfer
Friedrich Haas (1924–1945), German fighter pilot
Fritz Haas (zoologist) (1886–1969)
Geertruida de Haas-Lorentz (1885–1973), Dutch physicist
Gene Haas (born 1952), American machine tool manufacturer
Georg Haas (physician) (1886–1971), German medical doctor
Georg Friedrich Haas (born 1953), Austrian composer
Hans Haas (1886–1935), German Protestant theologian
Harald Haas (born 1968), German professor of Mobile Communications, University of Edinburgh
Helmut Haas (fl. 1949), discoverer of the Haas effect, a psychoacoustic effect
Hildegarde Haas (1926–2002), German-born American artist
Hugo Haas (1901–1968), Czech film actor and director
Isaac Haas (born 1995), American basketball player
Jacob de Haas (1872–1937), UK journalist and an early leader of the Zionist movement
Jay Haas (born 1953), American golfer
Johann Wilhelm Haas (1649–1723), German trumpet maker
Josef Haas (1937–2024), Swiss cross country skier
Joseph Haas (1879–1960), German composer
Karen L. Haas (born 1962), American government administrator and lobbyist
Karl Haas (1913–2005), American classical music radio show host
Karl Wilhelm Jacob Haas (1900–1970), German émigré musicologist and conductor
Kim Haas, American journalist and television host
Leonard Haas (1915–1998), American politician from Wisconsin
Lisbeth Haas (born 1954), American historian and anthropologist
Lukas Haas (born 1976), American actor
Mario Haas (born 1974), Austrian footballer
Marius Haas (born 1945), German journalist and diplomat
Mary Haas (1910–1996), American linguist
Mauritz de Haas (1832–1895), Dutch-American marine painter
Maximilian Haas (born 1985), German footballer
Michael Haas, multiple people
Mimi Haas (born 1946), American billionaire businesswoman
Monique Haas (1909–1987), French pianist
Moose Haas (born 1956), American baseball player
Mule Haas (1903–1974), American baseball player
Nathan Haas (born 1989), Australian cyclist
Nico de Haas (1907–1995), Dutch editor, photographer, and artist
Pavel Haas (1899–1944), Czech composer
Payne Haas (born 1999), Australian rugby player
Payton Haas (born 1979), American actor
Peter E. Haas (1918–2005), American businessman
Peter E. Haas Jr. (born 1948), American businessman and philanthropist.