Candidates of the 1921 South Australian state election

This is a list of candidates of the 1921 South Australian state election.

Progressive Country

 * Arthur Blackburn (Sturt) – retired

Independent

 * John Albert Southwood (East Torrens) – retired

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.

House of Assembly
Sitting members are shown in bold text. Successful candidates are marked with an asterisk.