(A) South Australian is a person or thing from the state of South Australia in Australia (adjective or noun).
South Australian may also refer to: The South Australian, a newspaper published in Adelaide from 1838 to 1851 South Australian (1836), a barque wrecked in Encounter Bay, South Australia, in December 1837 South Australian (clipper ship), a ship built in 1868, sunk in the Bristol Channel in 1889