The 1974 South Australian Tennis Championships was an Association of Tennis Professionals tournament held in Adelaide, Australia that started on 27 October 1974.
Dick Stockton defeated Geoff Masters 6–2, 6–3, 6–2
- It was Stockton's 3rd title of the year and the 6th of his career.
Grover Raz Reid / Allan Stone defeated Mike Estep / Paul Kronk 7–6, 6–4
- It was Reid's 2nd title of the year and the 2nd of his career. It was Stone's 2nd title of the year and the 6th of his career.