John Herbert Warren OBE[1] (2 September 1895 – 11 July 1960) was a British trade unionist.
Warren studied at the University of Liverpool before finding work in the clerks' department of Birkenhead Corporation.
In 1933, he was promoted to become an assistant solicitor, then served as town clerk in Newton-le-Willows, Lancashire, followed by Slough.
[2] Warren was centrally involved in the Whitley Council system of wage negotiation, representing the National Association of Local Government Officers (NALGO).
He retired from his trade union posts in 1957, and served on the London Electricity Board.