Buckingham is a surname. Notable people with the surname include:
A. David Buckingham, British physical chemist
Catharinus P. Buckingham, American Civil War general
Celeste Buckingham, Slovak recording artist of Swiss-American origins
Edgar Buckingham, creator of the Buckingham π theorem, a key theorem in dimensional analysis
James Silk Buckingham, oriental traveller
John Buckingham (chemist), British chemist
John Buckingham (cricketer), English cricketer
John Buckingham (jockey) (1940–2016), English horse racing jockey
Leicester Silk Buckingham, playwright
Lindsey Buckingham, American rock musician and member of Fleetwood Mac
Owen Buckingham, (1674 – 1720) English politician
Sir Owen Buckingham, (c.1649 – 1713) English MP and Lord Mayor of London
Vic Buckingham, British football player and coach
William Alfred Buckingham, former governor of Connecticut
Steve Buckingham (record producer), American record producer and musician