John Andrew Darley OAM (born 15 May 1937) is a former member of the South Australian Legislative Council and a former valuer-general.
Darley was appointed to the South Australian Legislative Council by a joint sitting of the Parliament of South Australia on 21 November 2007 to replace outgoing Independent No Pokies MLC Nick Xenophon who resigned to contest the Australian Senate at the 2007 federal election.
[4] On 15 September 2017, Darley announced that he would team up with another former Xenophon affiliate, retired lawyer Peter Humphries, to form another new party called Advance SA.
Darley's term in the Legislative Council does not expire until 2022, and Humphries was the party's lead candidate for the 2018 election.
Darley announced that Advance SA would not run candidates for the lower house, and would not direct preferences to SA-BEST or any other party.