First-seeded Daphne Akhurst defeated Sylvia Harper 10–8, 2–6, 7–5, in the final to win the women's singles tennis title at the 1930 Australian Championships.
The seeded players are listed below. Daphne Akhurst is the champion; others show the round in which they were eliminated.
Daphne Akhurst (champion) Louie Bickerton (semifinals) Marjorie Cox (quarterfinals) Sylvia Harper (finalist) Kathleen Le Messurier (quarterfinals) Mall Molesworth (quarterfinals) Gladys Toyne (quarterfinals) Emily Hood (semifinals)