Thomas William Mercer (20 July 1884 – 3 March 1947) was an English labour and co-operative movement official and journalist.
Born in Nutfield, Surrey, Mercer worked in a grocery from the age of twelve, then later undertook an apprenticeship as a grocer in Croydon.
On completing the apprenticeship, he found work with the Reigate Industrial Society, a local co-operative, rising to become a manager before moving to run the Epsom Co-operative Society, then on to Plymouth, where he ran the local co-operative's education department.
[1] Later in 1919, Mercer began working at the newly established Co-operative College in Manchester.
[1] In his spare time, Mercer wrote Towards a Co-operative Commonwealth, and served on the committee of the Workers Educational Association.