Haas, 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
  • 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.
  • Peter M. Haas (born 1955), American political scientist
  • Peter W. Haas (born 1964), Slovak photographer
  • Radek Haas (born 2000), Czech ice hockey player
  • Rene Haas (born 1962), American businessman
  • Richard Haas (born 1936), American muralist
  • Robert Haas (clergyman) (fl. 1836–1868), German Lutheran minister
  • Robert Haas (musicologist) (1886–1960), Austrian musicologist
  • Russ Haas (1974–2001), American wrestler
  • Sascha Haas (born 1990), German politician
  • Saskia Rao-de Haas (born 1971), Dutch cellist of music from India
  • Shira Haas (born 1995), Israeli actress
  • Sidney V. Haas (1870–1964), American pediatrician and originator of the Specific Carbohydrate Diet
  • Thomas J. Haas, American university president
  • Tiffany Haas (born c. 1983), American softball player
  • Tiphaine Haas (born 1992), French actress
  • Tommy Haas (born 1978), German tennis player
  • Toxey Haas (born 1960), American businessman
  • Wander Johannes de Haas (1878–1960), Dutch physicist and mathematician
  • Walter A. Haas (1889–1979), American president and chairman of Levi Strauss & Co.
  • Walter A. Haas, Jr. (1916–1995), American president and chairman of Levi Strauss & Co.
  • Walter H. Haas, (1917–2015), American astronomer
  • Waltraut Haas (1927–2025), Austrian actress and singer
  • Werner Haas (1927–1956), German motorcycle racer
  • Wilhelm Haas (1896–1981), German diplomat.
  • Wolf Haas (born 1960), Austrian author
  • Wolfgang Haas (born 1948), Liechtenstein archbishop

Given name

  • Haas Visser 't Hooft (1905–1977), Dutch field hockey player

See also

  • Haas (disambiguation)
  • Hass (surname)