Abney is an English surname, which evolved in spelling from the surname D'Aubigny. The name originated from meaning "of" or "from" Saint-Aubin-d'Aubigné (now in Ille-et-Vilaine department). Notable people with the surname include:

Derek Abney (born 1980), American footballer Don Abney (1923–2000), American jazz pianist Keith Abney II (born 2005), American football player Larry Abney (born 1977), American basketball player Mary Abney (1676–1750), English aristocrat Sir Thomas Abney (1640–1722), Lord Mayor of London Thomas Abney (judge) (1690 or 1691 – 1750), English barrister and judge William de Wiveleslie Abney (1844–1920), English chemist and educationist

See also Abney (disambiguation) Abney-Hastings