Thomas Henry Bath, CBE (21 February 1875 – 6 November 1956) was an Australian politician, trade unionist, newspaper editor, writer, and cooperativist.

In 1898, he was asked to head the local chapter of the Knights of Labor, a United-States–based labour organisation, which he represented at the 1899 trade union conference, held in Coolgardie.

In September 1900, Bath, despite having no formal training in writing, became the first editor of the Westralian Worker, a socialist publication.

Bath was a leading member of the Freemasons in Western Australia, and was involved in the foundation of Lodge Bonnie Doon, 839, S.C., in 1897, under the Scottish Rite.

[3] He died at his home in Mount Lawley on 6 November 1956 from a heart attack resulting from coronary occlusion.