Gwilym Lloyd George, 1st Viscount Tenby, (4 December 1894 - 1967) was a British politician and cabinet minister.

The second son of Prime Minister David Lloyd George, he was born at Criccieth in what is now Gwynedd, Wales. Educated at Eastbourne College and Jesus College, Cambridge, in 1915 he became Aide de Camp to Major General Ivor Phillips , commander of the 38th (Welsh) Division. He rose to the rank of Major and was known for most of his political career as Major Lloyd George.

Lloyd George was Liberal MP for Pembrokeshire from 1922 to 1924 and again from 1929 to 1950. From 1951 to 1957 he was Liberal and Conservative MP for Newcastle-on-Tyne North. He was Parliamentary Secretary at the Board of Trade in 1931 and again from 1939 to 1941, and Parliamentary Secretary at the Ministry of Food 1941–1942. He was Minister of Fuel and Power 1942–1945, Minister of Food 1951–1954, and Home Secretary and Minister for Welsh Affairs from 1954 until his retirement in 1957, when he was raised to the peerage as 1st Viscount Tenby.

Gwilym Lloyd George married Edna Gwenfron Jones in 1921. They had two children: David Lloyd George, born in 1922, and William Lloyd George, born in 1927. Lloyd George's sister Megan was also active in politics, although she drifted from the Liberals into the Labour Party rather than the Conservatives.