Haynes is a surname. Notable people with the surname include:
Alex Haynes (born 1982), American football player
Abner Haynes (born 1937), American football player
Adrian Haynes (1926-1988), Native American leader
Arden Haynes (born 1927), Canadian former CEO of Imperial Oil and former Chancellor of York University
Arthur Haynes (1914-1966), English comedian
Billy Jack Haynes (born 1953), American former professional wrestler
Colton Haynes (born 1988), American actor
Cornell Haynes Jr. (born 1974), American rapper, better known as Nelly
Danny Haynes (born 1988), English footballer
Desmond Haynes (born 1956), West Indian cricketer and cricket coach
Elwood Haynes (1857–1925), American inventor and co-founder of the Haynes-Apperson Company
Elizabeth Ross Haynes (1883–1953), African American social worker, sociologist, and author
Gibby Haynes (born 1957), American musician
Fred Haynes (1946–2006), American athlete
James Haynes (American football) (born 1960), American football player
Jerry Haynes (1927–2011), American actor and children's television host
Jimmy Haynes (born 1972), American baseball player
John Haynes (governor) (1594–1654), English colonial magistrate, governor of the Massachusetts Bay Colony and Connecticut Colony
John Henry Haynes (1849-1910), American archaeologist and pioneering early photographer
John Earl Haynes, American historian
Johnny Haynes (1934–2005), English football player
Joe Haynes (baseball player) (1917–1967), American baseball player
Lemuel Haynes (1753–1833), American preacher and abolitionist
Martin Alonzo Haynes (1842–1919), US Representative
Michael Haynes (defensive lineman) (born 1980), American giridon player
Michael Haynes III, American professional wrestler better known as Prince Iaukea
Mike Haynes (cornerback) (born 1953), American football player
Nicole Haynes (born 1974), Canadian-American heptathlete
O.H. Haynes, Jr. (1920–1996), Louisiana sheriff
O. H. Haynes, Sr. (1888–1969), Louisiana sheriff
Robert Haynes (1931–1998), Canadian geneticist and biophysicist
Roy Haynes (born 1926), American jazz musician
Stephen Haynes (1801–1879), American politician and builder, Brooklyn, New York
Terrence Haynes (born 1984), Barbadian freestyle swimmer
Todd Haynes (born 1961), American film director
Warren Haynes (born 1960), American rock and blues guitarist
Fictional characters:
Mr. Haynes, character in the novel Minty Alley by C. L. R. James
Gus Haynes, a character in the fifth season of The Wire
