See main article: 1985 Australian Open. Martina Navratilova defeated the defending champion Chris Evert in the final, 6–2, 4–6, 6–2 to win the women's singles tennis title at the 1985 Australian Open. It was her third Australian Open singles title and 13th major singles title overall.
The seeded players are listed below. Martina Navratilova is the champion; others show the round in which they were eliminated.
See main article: 1985 Australian Open – Women's singles qualifying.