Sir (Thomas) Drummond Shiels MC (7 August 1881 – 1 January 1953) was a Scottish Labour politician. The son of James Drummond Shiels and Agnes Campbell of Edinburgh, he was educated at Edinburgh University where he graduated MB ChB. He was commissioned into the Royal Scots in 1915 and served in World War I with the 9th (Scottish) Division. He was mentioned in despatches and awarded the Military Cross and the Belgian Croix de Guerre. He ended the war as a Captain.