Harr is a surname. Notable people with the surname include:
Burke Harr (born 1971), American politician Harry R. Harr (1921–1945), United States army soldier and Medal of Honor recipient Jonathan Harr, American writer Karl Erik Harr (born 1940), Norwegian artist and writer Karl G. Harr, Jr. (1922–2002), United States National Security Advisor L. T. Harr, American football coach Thorbjørn Harr (born 1974), Norwegian actor
See also Haar (fog) Hárr, alternative name for Odin Haarr, people named Haarr