The 1974 South Australian Championships was a combined men's and women's professional tennis tournament played on outdoor grass courts in Adelaide, Australia.

It was the 76th edition of the tournament and was held from 1 December until 7 December 1974.

First-seeded Björn Borg and Olga Morozova won the singles titles.

[2][3] Björn Borg defeated Onny Parun 6–4, 6–4, 3–6, 6–2 Olga Morozova defeated Evonne Goolagong 7–6, 2–6, 6–2