Darr is a surname. Notable people with the surname include:
- Adam Darr (1811–1866), German guitar and zither composer
- Ann Darr (1920–2007), American poet
- Leonard Darr (c.1554–1615), English politician
- Leslie Rogers Darr (1886–1967), American judge
- Lisa Darr (born 1963), American actress
- Mike Darr (1976–2002), American baseball outfielder
- Mike Darr (pitcher) (born 1956), American baseball pitcher
- Robert Darr (born 1951), American author
- Sally Darr (1923–2023), American chef
- Vondell Darr (1919–2012), American actress