Geiger (surname)

Geiger is a German, Hungarian or French surname. In the German language Geiger means "violin player."

People with this surname include:
 * Abraham Geiger (1810–1874), German Reform Judaism rabbi
 * Alain Geiger (born 1960), Swiss international football manager and former player
 * Anna Bella Geiger (born 1933), Brazilian artist
 * Anna Margarethe Geiger (1783–1809), German painter in pastel
 * Arno Geiger (born 1968), Austrian writer
 * August Geiger (architect) (1888–1968), American architect
 * August Geiger (pilot) (1920–1943), German Luftwaffe night fighter ace
 * Constanze Geiger (1835–1890), Austrian pianist, actor, theatrical actress, composer and singer
 * Dennis Geiger (footballer, born 1984), German footballer
 * Dennis Geiger (footballer, born 1998), German footballer
 * Emily Geiger (1765–1825), American messenger in the American Revolutionary War
 * Franz Geiger (1921–2011), German screenwriter
 * Friedrich Geiger (1907–1996), German automobile designer, particularly for Mercedes-Benz
 * Gary Geiger (1937–1996), American Major League Baseball player
 * George Geiger (c. 1843–1904), United States Army sergeant awarded the Medal of Honor for his actions in the Battle of Little Bighorn
 * H. Jack Geiger (1925–2020), American physician and civil rights activist
 * Hans Geiger (1882–1945), German physicist, co-inventor of the detector component of the Geiger counter, son of Wilhelm Geiger and brother of Rudolf Geiger
 * Harold Geiger (1884–1927), American pioneer in Army aviation and ballooning
 * Harriel G. Geiger (c. 1840–1886), African-American politician, blacksmith and lawyer
 * Hermann Geiger (1914–1966), Swiss pilot
 * Jacob Casson Geiger (1885–1981), American public health physician
 * Johann Nepomuk Geiger (1805–1880), Viennese court painter
 * John Geiger (disambiguation)
 * Karl Geiger (born 1993), German ski jumper
 * Kaylon Geiger (born 1997), American football player
 * Ludwig Geiger (1848–1919), German literary historian
 * Lazarus Geiger (1829–1870), German philologist and philosopher
 * (1783–1809), German artist
 * Mark Geiger (born 1974), American football referee
 * Matt Geiger (born 1969), American basketball player
 * Michael Geiger (born 1960), German football manager and former player
 * Nick Geiger, (born 1952) Australian rugby league footballer
 * Nikolaus Geiger (1849–1897), German sculptor and painter
 * Peter Johann Nepomuk Geiger (1805–1880), Viennese artist
 * Philipp Lorenz Geiger (1785–1836), German pharmacist and chemist
 * Reinold Geiger (born 1947), Austrian businessman
 * Richard Geiger (1870–1945), Austrian painter
 * Roger Geiger (born 1943), American scholar of higher education in the United States
 * Rolf Geiger (1934–2023), German footballer
 * Roy Geiger (1885–1947), United States Marine Corps general
 * Rudolf Geiger (1894–1981), German meteorologist and climatologist, son of Wilhelm Geiger and brother of Hans Geiger
 * Rupprecht Geiger (1908–2009), German abstract painter and sculptor
 * Teddy Geiger (born 1988), American singer and guitarist
 * Theodor Geiger (1891–1952), German sociologist
 * Vinzenz Geiger (born 1997), German Nordic combined skier and 2022 Olympic champion
 * Wilhelm Geiger (1856–1943), German Orientalist and father of Hans Geiger
 * Willi Geiger (judge) (1909–1994), German judge, president of the Federal Court of Justice of Germany and Associate Justice in the Federal Constitutional Court of Germany
 * Willi Geiger (painter) (1878–1971), German painter