Wyndham Raymond Portal, 1st Viscount Portal PC GCMG DSO MVO (9 April 1885 – 6 May 1949) was a British politician. The eldest son of Sir William Wyndam Portal, 2nd Baronet, and Florence Elizabeth Mary Glyn CBE, daughter of Hon. St Leger Glyn, 2nd son of George Glyn, 1st Baron Wolverton, he was educated at Eton and Christ Church, Oxford. In 1909 he married Lady Louise Rosemary Kathleen Virginia Cairns, MBE, only child of Arthur Cairns, 2nd Earl Cairns. After the war, in 1945, he became the last chairman of the Great Western Railway, and Lord Lieutenant of Hampshire from 1947.