Giải quần vợt Úc Mở rộng 2012 – Đơn nữ
Kim Clijsters là đương kim vô địch nhưng cô thua Victoria Azarenka tại bán kết. Azarenka thắng giải Grand Slam đầu tiên trong sự nghiệp, đánh bại nhà vô địch năm 2008 Maria Sharapova 6–3 6–0 tại trận chung kết qua đó Azarenka vươn lên vị trí số 1 thế giới đầu tiên trong sự nghiệp.

Top 4 hạt giống hàng đầu (Caroline Wozniacki, Petra Kvitová, Victoria Azarenka, Maria Sharapova) cạnh tranh cho vị trí số 1 khi giải đấu bắt đầu.

Hạt giống 

 Caroline Wozniacki (Tứ kết)
 Petra Kvitová (Bán kết)
 Victoria Azarenka (Vô địch)
 Maria Sharapova (Á quân)
 Li Na (Vòng 4)
 Samantha Stosur (Vòng 1)
 Vera Zvonareva (Vòng 3)
 Agnieszka Radwanska (Tứ kết)
 Marion Bartoli (Vòng 3)
 Francesca Schiavone (Vòng 2)
 Kim Clijsters (Bán kết)
 Serena Williams (Vòng 4)
 Jelena Jankovic (Vòng 4)
 Sabine Lisicki (Vòng 4)
 Anastasia Pavlyuchenkova (Vòng 2)
 Peng Shuai (Vòng 2)

<ol start=17>
 Dominika Cibulková ''(Vòng 2)
 Svetlana Kuznetsova ''(Vòng 3)
 Flavia Pennetta'' (Vòng 1)
 Daniela Hantuchová ''(Vòng 3)
 Ana Ivanovic ''(Vòng 4)
 Julia Goerges ''(Vòng 4)
 Roberta Vinci ''(Vòng 2)
 Lucie Safarova ''(Vòng 1)
 Kaia Kanepi ''(Vòng 2)
 Anabel Medina Garrigues ''(Vòng 3, bỏ cuộc)
 Maria Kirilenko ''(Vòng 3, bỏ cuộc)
 Yanina Wickmayer ''(Vòng 1)
 Nadia Petrova ''(Vòng 2)
 Angelique Kerber ''(Vòng 3)
 Monica Niculescu ''(Vòng 3)
 Petra Cetkovská ''(Vòng 2)

Sơ đồ

Viết tắt 
Q = Vượt qua vòng loại
WC = Đặc cách
LL = Thua cuộc may mắn (vượt qua vòng loại do có vận động viên bỏ cuộc vào phút chót)
r = Bỏ cuộc
w/o = walkover

Chung kết 

{{8TeamBracket-Tennis3-v2
|RD1=Quarterfinals
|RD2=Semifinals
|RD3=Final
|team-width=175
|RD1-seed1=1
|RD1-team1= Caroline Wozniacki
|RD1-score1-1=3
|RD1-score1-2=6<sup>4
|RD1-score1-3=
|RD1-seed2=11
|RD1-team2= Kim Clijsters
|RD1-score2-1=6
|RD1-score2-2=7<sup>7
|RD1-score2-3=
|RD1-seed3=3
|RD1-team3= Victoria Azarenka
|RD1-score3-1=6<sup>0
|RD1-score3-2=6
|RD1-score3-3=6
|RD1-seed4=8
|RD1-team4=
|RD1-score4-1=7<sup>7
|RD1-score4-2=0
|RD1-score4-3=2
|RD1-seed5=
|RD1-team5= Ekaterina Makarova
|RD1-score5-1=2
|RD1-score5-2=3
|RD1-score5-3=
|RD1-seed6=4
|RD1-team6= Maria Sharapova
|RD1-score6-1=6
|RD1-score6-2=6
|RD1-score6-3=
|RD1-seed7=
|RD1-team7= Sara Errani
|RD1-score7-1=4
|RD1-score7-2=4
|RD1-score7-3=
|RD1-seed8=2
|RD1-team8= Petra Kvitová
|RD1-score8-1=6
|RD1-score8-2=6
|RD1-score8-3=
|RD2-seed1=11
|RD2-team1= Kim Clijsters
|RD2-score1-1=4
|RD2-score1-2=6
|RD2-score1-3=3
|RD2-seed2=3
|RD2-team2={{nowrap| Victoria Azarenka}}
|RD2-score2-1=6
|RD2-score2-2=1
|RD2-score2-3=6
|RD2-seed3=4
|RD2-team3= Maria Sharapova
|RD2-score3-1=6
|RD2-score3-2=3
|RD2-score3-3=6
|RD2-seed4=2
|RD2-team4= Petra Kvitová
|RD2-score4-1=2
|RD2-score4-2='''6
|RD2-score4-3=4
|RD3-seed1=3
|RD3-team1={{nowrap| Victoria Azarenka}}
|RD3-score1-1=6
|RD3-score1-2='''6
|RD3-score1-3=
|RD3-seed2=4
|RD3-team2= Maria Sharapova
|RD3-score2-1=3
|RD3-score2-2=0
|RD3-score2-3=
|color = yes}}

Nửa trên

Nhánh 1 
{{16TeamBracket-Compact-Tennis3
|RD1=First Round
|RD2=Second Round
|RD3=Third Round
|RD4=Fourth Round
|RD1-seed01=1
|RD1-team01= C Wozniacki
|RD1-score01-1=6
|RD1-score01-2=6
|RD1-score01-3=
|RD1-seed02=
|RD1-team02= A Rodionova
|RD1-score02-1=2
|RD1-score02-2=1
|RD1-score02-3=
|RD1-seed03=WC
|RD1-team03= A Barty
|RD1-score03-1=2
|RD1-score03-2=6<sup>4
|RD1-score03-3=
|RD1-seed04=
|RD1-team04= A Tatishvili
|RD1-score04-1=6
|RD1-score04-2=7<sup>7
|RD1-score04-3=
|RD1-seed05=
|RD1-team05= P Parmentier
|RD1-score05-1=6
|RD1-score05-2=5
|RD1-score05-3=6
|RD1-seed06=
|RD1-team06= A Kudryavtseva
|RD1-score06-1=3
|RD1-score06-2=7
|RD1-score06-3=3
|RD1-seed07=
|RD1-team07= A Cornet
|RD1-score07-1=7
|RD1-score07-2=0
|RD1-score07-3=3
|RD1-seed08=31
|RD1-team08= M Niculescu
|RD1-score08-1=5
|RD1-score08-2=6
|RD1-score08-3=6
|RD1-seed09=24
|RD1-team09= L Šafářová
|RD1-score09-1=2
|RD1-score09-2=4
|RD1-score09-3=
|RD1-seed10=
|RD1-team10= C McHale
|RD1-score10-1=6
|RD1-score10-2=6
|RD1-score10-3=
|RD1-seed11=Q
|RD1-team11= I Pavlovic
|RD1-score11-1=5
|RD1-score11-2=6<sup>4
|RD1-score11-3=
|RD1-seed12=
|RD1-team12= M Erakovic
|RD1-score12-1=7
|RD1-score12-2=7<sup>7
|RD1-score12-3=
|RD1-seed13=Q
|RD1-team13= K-c Chang
|RD1-score13-1=6
|RD1-score13-2=6
|RD1-score13-3=
|RD1-seed14=
|RD1-team14= P Martić
|RD1-score14-1=4
|RD1-score14-2=2
|RD1-score14-3=
|RD1-seed15=Q
|RD1-team15= L Robson
|RD1-score15-1=2
|RD1-score15-2=0
|RD1-score15-3=
|RD1-seed16=13
|RD1-team16= J Janković
|RD1-score16-1=6
|RD1-score16-2=6
|RD1-score16-3=
|RD2-seed01=1
|RD2-team01= C Wozniacki
|RD2-score01-1=6
|RD2-score01-2=7<sup>7
|RD2-score01-3=
|RD2-seed02=
|RD2-team02= A Tatishvili
|RD2-score02-1=1
|RD2-score02-2=6<sup>4
|RD2-score02-3=
|RD2-seed03=
|RD2-team03= P Parmentier
|RD2-score03-1=6
|RD2-score03-2=4
|RD2-score03-3=1
|RD2-seed04=31
|RD2-team04= M Niculescu
|RD2-score04-1=4
|RD2-score04-2=6
|RD2-score04-3=6
|RD2-seed05=
|RD2-team05= C McHale
|RD2-score05-1=3
|RD2-score05-2=7<sup>7
|RD2-score05-3=6
|RD2-seed06=
|RD2-team06= M Erakovic
|RD2-score06-1=6
|RD2-score06-2=6<sup>4
|RD2-score06-3=3
|RD2-seed07=Q
|RD2-team07= K-c Chang
|RD2-score07-1=4
|RD2-score07-2=2
|RD2-score07-3=
|RD2-seed08=13
|RD2-team08= J Janković
|RD2-score08-1=6
|RD2-score08-2=6
|RD2-score08-3=
|RD3-seed01=1
|RD3-team01= C Wozniacki
|RD3-score01-1=6
|RD3-score01-2=6
|RD3-score01-3=
|RD3-seed02=31
|RD3-team02= M Niculescu
|RD3-score02-1=2
|RD3-score02-2=2
|RD3-score02-3=
|RD3-seed03=
|RD3-team03= C McHale
|RD3-score03-1=2
|RD3-score03-2=0
|RD3-score03-3=
|RD3-seed04=13
|RD3-team04= J Janković
|RD3-score04-1=6
|RD3-score04-2=6
|RD3-score04-3=
|RD4-seed01=1
|RD4-team01= C Wozniacki
|RD4-score01-1=6
|RD4-score01-2='''7
|RD4-score01-3=
|RD4-seed02=13
|RD4-team02= J Janković
|RD4-score02-1=0
|RD4-score02-2=5
|RD4-score02-3=
}}

Nhánh 2
{{16TeamBracket-Compact-Tennis3
|RD1=First Round
|RD2=Second Round
|RD3=Third Round
|RD4=Fourth Round
|RD1-seed01=11
|RD1-team01= K Clijsters
|RD1-score01-1=7
|RD1-score01-2=6
|RD1-score01-3=
|RD1-seed02=Q
|RD1-team02= MJ Köhler
|RD1-score02-1=5
|RD1-score02-2=1
|RD1-score02-3=
|RD1-seed03=
|RD1-team03= S Foretz Gacon
|RD1-score03-1=6
|RD1-score03-2=6
|RD1-score03-3=
|RD1-seed04=
|RD1-team04= E Baltacha
|RD1-score04-1=2
|RD1-score04-2=4
|RD1-score04-3=
|RD1-seed05=
|RD1-team05= A Rus
|RD1-score05-1=6<sup>4
|RD1-score05-2=1
|RD1-score05-3=
|RD1-seed06=
|RD1-team06= L Tsurenko
|RD1-score06-1=7<sup>7
|RD1-score06-2=6
|RD1-score06-3=
|RD1-seed07=Q
|RD1-team07= V Lepchenko
|RD1-score07-1=6
|RD1-score07-2=3
|RD1-score07-3=2
|RD1-seed08=20
|RD1-team08= D Hantuchová
|RD1-score08-1=4
|RD1-score08-2=6
|RD1-score08-3='''6
|RD1-seed09=26
|RD1-team09={{Nowrap| A Medina Garrigues}}
|RD1-score09-1=6
|RD1-score09-2=6
|RD1-score09-3=
|RD1-seed10=
|RD1-team10= E Birnerová
|RD1-score10-1=3
|RD1-score10-2=3
|RD1-score10-3=
|RD1-seed11=
|RD1-team11= P Mayr-Achleitner
|RD1-score11-1=2
|RD1-score11-2=4
|RD1-score11-3=
|RD1-seed12=
|RD1-team12= O Govortsova
|RD1-score12-1=6
|RD1-score12-2=6
|RD1-score12-3=
|RD1-seed13=
|RD1-team13= S Arvidsson
|RD1-score13-1=3
|RD1-score13-2=1
|RD1-score13-3=
|RD1-seed14=WC
|RD1-team14= O Rogowska
|RD1-score14-1=6
|RD1-score14-2=6
|RD1-score14-3=
|RD1-seed15=
|RD1-team15= K Pervak
|RD1-score15-1=3
|RD1-score15-2=1
|RD1-score15-3=
|RD1-seed16=5
|RD1-team16= N Li
|RD1-score16-1=6
|RD1-score16-2=6
|RD1-score16-3=
|RD2-seed01=11
|RD2-team01= K Clijsters
|RD2-score01-1=6
|RD2-score01-2=6
|RD2-score01-3=
|RD2-seed02=
|RD2-team02= S Foretz Gacon
|RD2-score02-1=0
|RD2-score02-2=1
|RD2-score02-3=
|RD2-seed03=
|RD2-team03= L Tsurenko
|RD2-score03-1=6
|RD2-score03-2=4
|RD2-score03-3=3
|RD2-seed04=20
|RD2-team04= D Hantuchová
|RD2-score04-1=4
|RD2-score04-2=6
|RD2-score04-3='''6
|RD2-seed05=26
|RD2-team05={{Nowrap| A Medina Garrigues}}
|RD2-score05-1=6
|RD2-score05-2=6
|RD2-score05-3=
|RD2-seed06=
|RD2-team06= O Govortsova
|RD2-score06-1=1
|RD2-score06-2=0
|RD2-score06-3=
|RD2-seed07=WC
|RD2-team07= O Rogowska
|RD2-score07-1=2
|RD2-score07-2=2
|RD2-score07-3=
|RD2-seed08=5
|RD2-team08= N Li
|RD2-score08-1=6
|RD2-score08-2=6
|RD2-score08-3=
|RD3-seed01=11
|RD3-team01= K Clijsters
|RD3-score01-1=6
|RD3-score01-2=6
|RD3-score01-3=
|RD3-seed02=20
|RD3-team02= D Hantuchová
|RD3-score02-1=3
|RD3-score02-2=2
|RD3-score02-3=
|RD3-seed03=26
|RD3-team03=
|RD3-score03-1=0<sup>r
|RD3-score03-2=
|RD3-score03-3=
|RD3-seed04=5
|RD3-team04= N Li'''
|RD3-score04-1=3
|RD3-score04-2=
|RD3-score04-3=
|RD4-seed01=11
|RD4-team01=

Nhánh 3

Nhánh 4

Nửa dưới

Nhánh 5
{{16TeamBracket-Compact-Tennis3
|RD1=First Round
|RD2=Second Round
|RD3=Third Round
|RD4=Fourth Round
|RD1-seed01=7
|RD1-team01= V Zvonareva
|RD1-score01-1=7<sup>7
|RD1-score01-2=6<sup>5
|RD1-score01-3=6
|RD1-seed02=
|RD1-team02= A Dulgheru
|RD1-score02-1=6<sup>4
|RD1-score02-2=7<sup>7
|RD1-score02-3=3
|RD1-seed03=
|RD1-team03= E Rodina
|RD1-score03-1=3
|RD1-score03-2=1
|RD1-score03-3=
|RD1-seed04=
|RD1-team04= L Hradecká
|RD1-score04-1=6
|RD1-score04-2=6
|RD1-score04-3=
|RD1-seed05=
|RD1-team05= E Makarova
|RD1-score05-1=6
|RD1-score05-2=2
|RD1-score05-3=6
|RD1-seed06=
|RD1-team06= T Tanasugarn
|RD1-score06-1=0
|RD1-score06-2=6
|RD1-score06-3=0
|RD1-seed07=
|RD1-team07= J Larsson
|RD1-score07-1=2
|RD1-score07-2=4
|RD1-score07-3=
|RD1-seed08=25
|RD1-team08= K Kanepi
|RD1-score08-1=6
|RD1-score08-2=6
|RD1-score08-3=
|RD1-seed09=17
|RD1-team09= D Cibulková
|RD1-score09-1=6
|RD1-score09-2=6
|RD1-score09-3=
|RD1-seed10=
|RD1-team10= M Rybáriková
|RD1-score10-1=3
|RD1-score10-2=1
|RD1-score10-3=
|RD1-seed11=
|RD1-team11= R Marino
|RD1-score11-1=4
|RD1-score11-2=2
|RD1-score11-3=
|RD1-seed12=
|RD1-team12= G Arn
|RD1-score12-1=6
|RD1-score12-2=6
|RD1-score12-3=
|RD1-seed13=
|RD1-team13= I Brémond
|RD1-score13-1=0
|RD1-score13-2=4
|RD1-score13-3=
|RD1-seed14=
|RD1-team14={{Nowrap| B Záhlavová-Strýcová}}
|RD1-score14-1=6
|RD1-score14-2=6
|RD1-score14-3=
|RD1-seed15=
|RD1-team15= T Paszek
|RD1-score15-1=3
|RD1-score15-2=2
|RD1-score15-3=
|RD1-seed16=12
|RD1-team16= S Williams
|RD1-score16-1=6
|RD1-score16-2=6
|RD1-score16-3=
|RD2-seed01=7
|RD2-team01= V Zvonareva
|RD2-score01-1=6
|RD2-score01-2=7<sup>7
|RD2-score01-3=
|RD2-seed02=
|RD2-team02= L Hradecká
|RD2-score02-1=1
|RD2-score02-2=6<sup>3
|RD2-score02-3=
|RD2-seed03=
|RD2-team03= E Makarova
|RD2-score03-1=6
|RD2-score03-2=7
|RD2-score03-3=
|RD2-seed04=25
|RD2-team04= K Kanepi
|RD2-score04-1=2
|RD2-score04-2=5
|RD2-score04-3=
|RD2-seed05=17
|RD2-team05= D Cibulková
|RD2-score05-1=2
|RD2-score05-2=6
|RD2-score05-3=8
|RD2-seed06=
|RD2-team06= G Arn
|RD2-score06-1=6
|RD2-score06-2=3
|RD2-score06-3=10
|RD2-seed07=
|RD2-team07=
|RD2-score07-1=0
|RD2-score07-2=4
|RD2-score07-3=
|RD2-seed08=12
|RD2-team08= S Williams
|RD2-score08-1=6
|RD2-score08-2='''6
|RD2-score08-3=
|RD3-seed01=7
|RD3-team01= V Zvonareva
|RD3-score01-1=6<sup>7
|RD3-score01-2=1
|RD3-score01-3=
|RD3-seed02=
|RD3-team02=

Nhánh 6
{{16TeamBracket-Compact-Tennis3
|RD1=First Round
|RD2=Second Round
|RD3=Third Round
|RD4=Fourth Round
|RD1-seed01=14
|RD1-team01= S Lisicki
|RD1-score01-1=6
|RD1-score01-2=4
|RD1-score01-3=6
|RD1-seed02=Q
|RD1-team02= S Vögele
|RD1-score02-1=2
|RD1-score02-2=6
|RD1-score02-3=4
|RD1-seed03=
|RD1-team03= S Pe'er
|RD1-score03-1=6
|RD1-score03-2=6
|RD1-score03-3=
|RD1-seed04=WC
|RD1-team04= I Holland
|RD1-score04-1=2
|RD1-score04-2=0
|RD1-score04-3=
|RD1-seed05=
|RD1-team05= S Stephens
|RD1-score05-1=6
|RD1-score05-2=6
|RD1-score05-3=
|RD1-seed06=
|RD1-team06=
|RD1-score06-1=4
|RD1-score06-2=2
|RD1-score06-3=
|RD1-seed07=
|RD1-team07= C Scheepers
|RD1-score07-1=3
|RD1-score07-2=6
|RD1-score07-3=0
|RD1-seed08=18
|RD1-team08= S Kuznetsova
|RD1-score08-1=6
|RD1-score08-2=3
|RD1-score08-3=6
|RD1-seed09=30
|RD1-team09= A Kerber
|RD1-score09-1=6
|RD1-score09-2=6
|RD1-score09-3=
|RD1-seed10=WC
|RD1-team10= B Bobusic
|RD1-score10-1=1
|RD1-score10-2=3
|RD1-score10-3=
|RD1-seed11=
|RD1-team11= S Dubois
|RD1-score11-1=6
|RD1-score11-2=1
|RD1-score11-3=6
|RD1-seed12=
|RD1-team12= E Vesnina
|RD1-score12-1=4
|RD1-score12-2=6
|RD1-score12-3=4
|RD1-seed13=
|RD1-team13= M Minella
|RD1-score13-1=1
|RD1-score13-2=1
|RD1-score13-3=
|RD1-seed14=Q
|RD1-team14= J Hampton
|RD1-score14-1=6
|RD1-score14-2=6
|RD1-score14-3=
|RD1-seed15=
|RD1-team15= G Dulko
|RD1-score15-1=0
|RD1-score15-2=1
|RD1-score15-3=
|RD1-seed16=4
|RD1-team16= M Sharapova
|RD1-score16-1=6
|RD1-score16-2=6
|RD1-score16-3=
|RD2-seed01=14
|RD2-team01= S Lisicki
|RD2-score01-1=6
|RD2-score01-2=6
|RD2-score01-3=
|RD2-seed02=
|RD2-team02= S Pe'er
|RD2-score02-1=1
|RD2-score02-2=2
|RD2-score02-3=
|RD2-seed03=
|RD2-team03= S Stephens
|RD2-score03-1=6<sup>6
|RD2-score03-2=5
|RD2-score03-3=
|RD2-seed04=18
|RD2-team04=

Nhánh 7

Nhánh 8
{{16TeamBracket-Compact-Tennis3
|RD1=First Round
|RD2=Second Round
|RD3=Third Round
|RD4=Fourth Round
|RD1-seed01=15
|RD1-team01=

Liên kết ngoài