The National Party of Australia (S.A.) Inc. is a political party in South Australia, and an affiliated state party of the National Party of Australia. Like the National Party of Western Australia, it is an independent party and not part of the Liberal/National Coalition. First contesting the 1965 state election, the party has held two South Australian House of Assembly seats at alternating periods; Peter Blacker (1973–1993) in Flinders and Karlene Maywald (1997–2010) in Chaffey.
