Desmond Wyndham Otho FitzGerald, 28th Knight of Glin (20 January 1901 – 2 April 1949) was an Anglo-Irish nobleman, an hereditary knight as recognised by the Irish government and socialite.
Born in Croom, County Limerick, FitzGerald was the only son of Desmond FitzJohn Lloyd FitzGerald, 27th Knight of Glin, and Lady Rachel Charlotte Wyndham-Quin, daughter of Windham Wyndham-Quin, 4th Earl of Dunraven and Mount-Earl. He was educated at Winchester College and Lancing College before moving to London in 1924.