John Baker 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.
- Occupation
- politician, farmer
- Position held
- Member of the South Australian Legislative Council, Premier of South Australia, Member of the South Australian Legislative Council, Member of the South Australian Legislative Council
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- December 28, 1813
