John Baker, English-Australian politician, 2nd Premier of South Australia (b. 1813)
John Baker (28 December 1813 – 19 May 1872) was an early South Australian pastoralist and politician. He was the second Premier of the colony of South Australia, succeeding Boyle Travers Finniss; however, he only held office for 12 days from 21 August to 1 September 1857 before being succeeded by the third Premier of the colony, Robert Torrens.