Evelyn Nigel Chetwode Birch, Baron Rhyl OBE PC (18 November 1906 – 8 March 1981) was a British Conservative politician. The son of General Sir Noel Birch and his wife Florence Chetwode, Nigel Birch was educated at Eton. He was a partner in Cohen Laming Hoare until May 1939 when he retired to study politics. He served in World War II in the King's Royal Rifle Corps and on General Staff, being promoted to the rank of Lieutenant-Colonel in 1944. He was appointed an Officer of the Order of the British Empire (OBE) in 1945. In 1950 he married Esmé Glyn, the daughter of the 4th Baron Wolverton.