Ponsonby may refer to:
Surname Ponsonby (surname)
Noble titles Earl of Bessborough Viscount and Baron Ponsonby of Imokilly Baron de Mauley Baron Ponsonby of Shulbrede Baron Sysonby
Given name Charles Garrett Ponsonby Moore, 11th Earl of Drogheda, 11th Earl of Drogheda KG, KBE (1910–1989), British peer Henry Dermot Ponsonby Moore, 12th Earl of Drogheda (born 1937), British photographer known professionally as Derry Moore Maurice Arthur Ponsonby Wood (1916–2007), Anglican bishop in the Evangelical tradition Nicholas Hickman Ponsonby Bacon (born 1953), British landowner, businessman and philanthropist Ponsonby Ogle (1855–1902), British writer and journalist Robert Ponsonby Staples (1853–1943), 11th Baronet of Lissan House near Cookstown in Co. Tyrone Robert Ponsonby Tottenham Loftus, Irish Anglican Bishop in the first half of the 19th century Rowland Ponsonby Blennerhassett (1850–1913), Irish politician Stephen Ponsonby Peacocke (1813–1872), British officer of the Bombay Army and an artist
Places Ponsonby, Cumbria, England Ponsonby Fell, hill in the west of the English Lake District, near Gosforth, Cumbria Ponsonby, New Zealand, a central suburb of Auckland Ponsonby (New Zealand electorate), historical parliamentary electorate in Auckland, New Zealand from 1887 to 1890 and from 1946 to 1963 Ponsonby, Quebec, Canada – renamed to Boileau in 1993 Ponsonby, Ontario, ghost town in Ontario, Canada
Other Reginald Ponsonby-Smythe, Commander of Majestic-16 in Destroy All Humans! 2 Ponsonby AFC, former New Zealand football club, now amalgamated to form Mount Albert-Ponsonby Ponsonby Ponies, rugby league club based in Ponsonby, New Zealand Ponsonby RFC, rugby union club based in Auckland, New Zealand Mr Ponsonby, the fourth novel by New Zealand author Ian Middleton Ponsonby Britt, the fictional executive producer of TV series including The Rocky and Bullwinkle Show Ponsonby Rule, constitutional convention in the UK constitutional law involving 21 days' notice for international treaties Ponsonby's Column, a former monumental column in Valletta, Malta Percy Ponsonby, a 1939 BBC television comedy programme