Roy Mason, Baron Mason of Barnsley, PC (born 18 April 1924), is a British Labour politician and former Cabinet minister. He was born in Royston, and grew up in Carlton, Barnsley, in South Yorkshire. The small, pipe-smoking, former coal miner first went down the mines at the age of fourteen and remained in the coal industry until he was elected as Member of Parliament (MP) for the Barnsley constituency at a by-election in 1953.