Buckner is a surname. Notable people with the surname include:

Bill Buckner (1949–2019), American baseball first baseman and outfielder

Billy Buckner (born 1983), American baseball pitcher

Brentson Buckner, former National Football League player

Charles Buckner, ( 1735–1811) admiral in the British Royal Navy

Dave Buckner, drummer of Papa Roach

DeForest Buckner (born 1994), American football player

Derek Buckner, 21st-century New York painter

George Washington Buckner (1855-1943), American physician and diplomat

Jack Buckner, British track athlete

John Buckner (bishop), LL.D. (1734–1824), Bishop of Chichester, England

Lena Northern Buckner (1875-1939), American social worker

M. M. Buckner, science-fiction author

Milt Buckner, (10 July 1915 – 27 July 1977), American jazz pianist and organist

Mordecai Buckner ( 1735–1787), American Continental Army officer

Randy Buckner, American neuroscientist

Richard Buckner (1812–1883), English portraitist

Richard Buckner, American singer-songwriter

Robert Buckner (1906-1989), American writer and film producer

Simon Bolivar Buckner, Confederate general during the American Civil War

Simon Bolivar Buckner Jr., American general during World War II

Susan Buckner, actress who played Patty Simcox in Grease

Thomas Buckner, (1941- ), New York baritone

Thomas Buckner, English athlete

William Buckner (1605-1657), Archdeacon of Salisbury, England

William Buckner (?-1700), Member of the Irish Parliament for Dungarvan

Buckner (surname)