J. R. Clynes, English trade unionist and politician, Home Secretary (d. 1949)

John Robert Clynes (27 March 1869 – 23 October 1949) was a British trade unionist and Labour politician. He was a Member of Parliament (MP) for 35 years, and as Leader of the Labour Party (1921–1922), led the party in its breakthrough at the 1922 general election.

He was the first Englishman to serve as leader of the Labour Party.