Dorr or Dörr is a surname of German origin. Notable people with the surname include:
Bert Dorr (1862–1914), American Major League Baseball pitcher
Charles Dorr (1852–1914), U.S. Representative from West Virginia
Ebenezer P. Dorr (1817–1882), American mariner and meteorologist
Hans Dorr (1912–1945), German Waffen-SS Obersturmbannführer
John V. N. Dorr (1872–1962), American industrial chemist
Julia Caroline Dorr (1825–1913), American author
Kevin Dorr, American musician
Larry Dorr, manager of Blood, Sweat & Tears
Rheta Childe Dorr (1868–1948), American author and social worker
Richard Everett Dorr (1943–2013), United States federal judge
Robert F. Dorr (born 1939), U.S. diplomat and author
Thomas Wilson Dorr (1805–1854), leader of the Dorr Rebellion in Rhode Island
Franz Dörr (1913–1972), German World War II fighter ace
Gustav Dörr (1887–1928), German World War I fighter pilot
Wilhelm Dörr (1881–1955), German track and field athlete
Wilhelm Dörr (1921-1945), German SS-Oberscharführer and concentration camp officer
