This is a list of candidates of the 1921 South Australian state election.
[1] There had also been two resignations in the months leading up to the election which had remained unfilled.
Murray Liberal MHA Angas Parsons resigned on 5 January 1921 due to his appointment to the judiciary.
Sturt Liberal MHA Edward Vardon resigned on 15 February 1921 in order to nominate, successfully, for a vacancy in the Australian Senate.
[2][3] Sitting members are shown in bold text.