Harry Douglass, Baron Douglass of Cleveland (1 January 1902 – 5 April 1978) was a British trade unionist.
Born in Middlesbrough, England, Douglass entered work at the age of 13, becoming a steel melter. He immediately joined the Iron and Steel Trades Confederation, and became a member of its executive council in 1933. Two years later, he was appointed as a full-time organiser for the union, then rose to become Assistant General Secretary in 1945 and finally General Secretary in 1953,[1] serving until 1967. He was also President of the International Metal Workers' Federation.[2]
Douglass also chaired the British Productivity Council,[1] and served as the President of the Trades Union Congress in 1967.[3] On retirement he was created a life peer on 22 September 1967, taking the title Baron Douglass of Cleveland, of Cleveland in the County of York.[4][5][2]