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