Thomas Johnson (21 December 1819 – 3 November 1894) was a politician in the British colony of South Australia.
He was born in Thirsk, Yorkshire, and served an apprenticeship as a currier, then acted as a leather merchant in Bermondsey, London.
He emigrated to South Australia on the Dutch ship Fopsmit, arriving in August 1853; fellow passengers were W. H. Sharland (1828 – 29 July 1911), Joseph Grundy and William Townsend.
[1] He was member of the South Australian House of Assembly for West Adelaide from February 1875 to April 1878 with colleagues W. K. Simms then J.
Darling and for East Adelaide from June 1881, following the resignation due to illness of Freetrader G. S. Fowler, and sat until April 1884.