Hauser is a German-language surname. Notable people with the surname include:

• Arnold George Hauser (1888–1966), American baseball player
• Arnold Hauser (art historian) (1892–1978), Hungarian art historian
• Bodo Hauser (1946–2004), German journalist and writer
• Cole Hauser (born 1975), American actor
• Dwight Hauser (1911–1969), screenwriter, actor, and producer; father of Wings
• Eduard Hauser (cross-country skier) (b. 1948), Swiss cross-country skier
• Eduard Hauser (general) (1895–1961), Generalleutnant in the Wehrmacht during World War II
• Emily Hauser (born 1987 or 1988), British classicist and novelist
• Erich Hauser (1930–2004), German sculptor
• Friedrich Hauser (1859–1917), German classical archaeologist and art historian
• Gayelord Hauser (1895–1984), German-American nutritionist and author
• Henri Hauser (1866–1946), Algerian-born French historian
• Hermann Hauser (born 1948), Austrian entrepreneur and cofounder of Acorn Computers
• Hermann Hauser Sr. (1882–1952), German luthier
• Joey Hauser (born 1999), American basketball player
• Julius Hauser (1854–1920), NYS Treasurer 1907-1908
• Kaspar Hauser (1812–1833), German foundling
• Lisa Theresa Hauser (born 1993), Austrian biathlete
• Marc Hauser (born 1959), American ethologist found guilty of scientific misconduct
• Otto Hauser (1874–1932), Swiss pre-historian
• Paul Walter Hauser (born 1986), American actor
• Philip Hauser, demographer
• Sam Hauser (born 1997), American basketball player; brother of Joey
• Samuel Thomas Hauser (1833–1914), American politician from Montana
• Stjepan Hauser (born 1986), Croatian cellist
• Tim Hauser (1941–2014), singer and co-founder of vocal group The Manhattan Transfer
• Walter Hauser (1837–1902), Swiss politician
• Wings Hauser (born 1947), American actor, director, and screenwriter
• Zvi Hauser, Israeli politician