Richard Hanson, English-Australian politician, 4th Premier of South Australia (died 1876)

Sir Richard Davies Hanson, was the fourth premier of South Australia, from 30 September 1857 until 8 May 1860, and was a chief judge from 20 November 1861 until 4 March 1876 on the Supreme Court of South Australia.

The Premier of South Australia is the head of government in the Australian state of South Australia. The Government of South Australia follows the Westminster system, with the Parliament of South Australia acting as the legislature. The Premier is appointed by the Governor of South Australia, and by modern convention holds office by virtue of their ability to command the support of a majority of members of the lower house of Parliament, the House of Assembly.