Harrow is a surname meaning a person who harrowed the land. Notable people with the surname include:
Alix E. Harrow (born 1989), American science-fiction author Andy Harrow (born 1956), Scottish former football player Aram Harrow (born 1980), American quantum information theorist Belinda Harrow (born 1971), New Zealand artist Benjamin Harrow (1888–1970), American biochemist, nutritionist and writer Jack Harrow (1888-1958), English footballer Judy Harrow (1945–2014), American author, counselor, lecturer, and Wiccan priestess Lisa Harrow (born 1943), New Zealand actress Nancy Harrow (born 1930), American jazz singer Ryan Harrow (born 1991), American professional basketball player William Harrow (1822–1872), lawyer and controversial Union general in the American Civil War
Fictional characters: Jonas Harrow, an enemy of Spider-Man in the Marvel Comics universe Richard Harrow, a WWI soldier turned contract killer in the HBO series Boardwalk Empire