1966 Australian Championships – Women's singles

Top-seeded Margaret Smith won the women's singles tennis title at the 1966 Australian Championships after Nancy Richey withdrew from the final. This is the only walkover in a Ladies Singles Final of a Grand Slam tournament and was Smith's 7th straight Australian Open title.

Seeds
The seeded players are listed below. Margaret Smith is the champion; others show the round in which they were eliminated.


 * 1) 🇦🇺 Margaret Smith (champion)
 * 2) 🇺🇸 Nancy Richey (finalist)
 * 3) 🇦🇺 Lesley Turner (third round)
 * 4) 🇺🇸 Carole Caldwell Graebner (semifinals)
 * 5) 🇦🇺 Judy Tegart (quarterfinals)
 * 6) 🇦🇺 Gail Sherriff (third round)
 * 7) 🇦🇺 Jan Lehane (second round)
 * 8) 🇦🇺 Madonna Schacht (quarterfinals)
 * 9) 🇦🇺 Robyn Ebbern (third round)
 * 10) 🇦🇺 Joan Gibson (quarterfinals)
 * 11) 🇦🇺 Karen Krantzcke (third round)
 * 12) 🇦🇺 Kerry Melville (semifinals)

Key

 * Q = Qualifier
 * WC = Wild card
 * LL = Lucky loser
 * r = Retired