David Gordon Allen d'Aldecamb Lumsden of Cusehnie, FSAL, FSAS (25 May 1933, in Quetta, Baluchistan, Empire of India (now Pakistan) – 29 August 2008, in Fort William, Scotland) was a Scottish businessman, nationalist and sometime Baron of Cushnie-Lumsden (in Aberdeen). The son of Henry Gordon Strange Lumsden and Sydney Mary Elliot, he studied at Allhallows, Devon; Bedford School; and Jesus College, Cambridge (MA). He served in the Territorial Army with the London Scottish.