Pakenham is a surname of Anglo-Saxon origin. It is a locational surname from Pagham, Sussex or Pakenham, Suffolk.
Antonia Pakenham, an early pen-name of author Antonia FraserEdward Pakenham (1788–1815), British generalSir Francis Pakenham (diplomat) (1832–1905), British envoy to Chile, Argentina and SwedenThe Hon. Sir Michael Pakenham (born 1943), retired British diplomatThomas Pakenham (disambiguation), several people including:Thomas Pakenham (Royal Navy officer) (1757–1836), British admiralWilliam Christopher Pakenham (1861-1933), British admiralthe surname of several Earls of Longfordthe Baronets of Pakenham