Samuel Segal, Baron Segal, MRCS, LRCP, MA (Oxon) (2 April 1902 – 4 June 1985) was a British doctor and Labour Party politician who became Deputy Speaker of the House of Lords.
Samuel Segal was the son of Moshe Zvi Segal and the elder brother of Judah Segal. He was born at Oxford in April 1902 to a Jewish household, and moved to Newcastle upon Tyne in 1909 with his family. He was educated at the Royal Grammar School, Newcastle upon Tyne, Jesus College, Oxford (Exhibitioner; Honorary Fellow, 1966), and Westminster Hospital (Scholar).
He was a casualty Surgeon at Westminster Hospital then a Senior Clinical Assistant at Great Ormond Street Hospital. He served on several London County Council Hospital Committees.
Following the start of World War II, he joined RAFVR Medical Branch, October 1939. He served in Aden 1940, Western Desert 1941, Syrian Campaign 1941. He was attached to the Greek Air Force, 1941; Squadron Leader, 1942; Senior Medical Officer RAF Naval Co-operation Group in Mediterranean, 1942. He was on the Headquarters Staff Middle East, 1943–44 and the Air Ministry Medical Staff, 1944-45.