State elections were held in South Australia on 9 February 2002. All 47 seats in the South Australian House of Assembly were up for election, along with half of the 22 seats in the South Australian Legislative Council. The incumbent Liberal Party of Australia led by Premier of South Australia Rob Kerin was defeated by the Australian Labor Party led by Leader of the Opposition Mike Rann. The Labor Party won 23 out of 47 seats, and then secured the one more seat it needed for a majority by gaining the support of independent Peter Lewis.

David Wickham Ridgway is a South Australian politician who served as a member of the South Australian Legislative Council from 2002 to 2021, representing the Liberal Party of Australia (SA). Ridgway served as the Minister for Trade and Investment in the Marshall Ministry from 22 March 2018 to 26 July 2020, and as Minister for Tourism from March 2018 to January 2020.