John Thomas G. Chambers (July 1867 – 3 January 1926) was a British trade unionist.
Born in St Neots, Chambers left school at the age of twelve and began working in a grocery shop.
He later completed an apprenticeship as a stonemason and developed an interest in socialism, being an early member of the Independent Labour Party.
[3] He was active in the Independent Labour Party and was elected as the first General Secretary of the Workers' Union in 1898.
[4] In 1909, he toured the ports of the United States with Havelock Wilson in order to increase trade union membership.