George Mathers, 1st Baron Mathers KT, PC, DL (28 February 1886 – 26 September 1965) was a Scottish trade unionist and Labour Party politician. He served as Comptroller of the Household from 1944 to 1945 in Winston Churchill's war-time coalition government and as Treasurer of the Household (Deputy Chief Whip) from 1945 to 1946 in Clement Attlee's post-war Labour administration.