Hugh Quigley (6 August 1895 – 30 January 1979) was a Scottish economist, statistician, farmer, and author. His diary of his service with the 12th Royal Scots Regiment of the British Army at Passchendaele and the Somme during the First World War was published in 1928. He was closely associated with the British Labour Party and a member of the influential XYZ Club that fed financial intelligence to the party in the 1930s.