Women's singles
1991 Australian Open
Final
Champion	Monica Seles
Runner-up	Jana Novotná
Score	5–7, 6–3, 6–1
Details
Draw	128
Seeds	16
Events
Singles men women boys girls Doubles men women mixed boys girls WC Singles men women quad WC Doubles men women quad Legends men women mixed
← 1990 · Australian Open · 1992 →

Monica Seles defeated Jana Novotná in the final, 5–7, 6–3, 6–1 to win the women's singles tennis title at the 1991 Australian Open. It was her first Australian Open title and second major title overall. Seles saved a match point en route to the title, in the semifinals against Mary Joe Fernández. Seles was making her tournament debut.

Steffi Graf was the three-time defending champion, but lost to Novotná in the quarterfinals.

The seeded players are listed below. Monica Seles is the champion; others show the round in which they were eliminated.

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

	Quarterfinals							Semifinals							Finals
	1	Steffi Graf	7	4	6
	10	Jana Novotná	5	6	8
								10	Jana Novotná	6	6
								6	Arantxa Sánchez Vicario	2	4
	4	Gabriela Sabatini	1	3
	6	Arantxa Sánchez Vicario	6	6
															10	Jana Novotná	7	3	1
															2	Monica Seles	5	6	6
	5	Katerina Maleeva	3	2
	3	Mary Joe Fernández	6	6
								3	Mary Joe Fernández	3	6	7
								2	Monica Seles	6	0	9
		Anke Huber	3	1
	2	Monica Seles	6	6

	First round							Second round							Third round							Fourth round
	1	S Graf	6	6
		J Santrock	3	0				1	S Graf	6	6
		M Kidowaki	1	6	6				M Kidowaki	1	0
		K Sharpe	6	1	4										1	S Graf	6	6
		K Date	6	6												N Provis	4	2
		N Herreman	2	1					K Date	6	0	4
		N Provis	6	6					N Provis	4	6	6
		E Reinach	2	0																		1	S Graf	6	6
		K Habšudová	6	77																			K Habšudová	0	1
		C Tessi	2	65					K Habšudová	712	6
		A Smith	6	6					A Smith	610	2
		E Švíglerová	3	4												K Habšudová	6	3	8
		E Smylie	2	6	6											E Smylie	0	6	6
		C Kohde-Kilsch	6	4	4				E Smylie	6	2	9
		P Vásquez	1	1				15	L Gildemeister	3	6	7
	15	L Gildemeister	6	6

	First round							Second round							Third round							Fourth round
	10	J Novotná	79	6
		A Minter	67	2				10	J Novotná	6	6
		K Quentrec	78	2	7				K Quentrec	2	2
		A Grossman	66	6	5										10	J Novotná	62	6	8
		S Stafford	6	6												S Stafford	77	1	6
		M Bollegraf	4	4					S Stafford	5	6	6
		G Magers	6	6					G Magers	7	2	2
		E Zardo	4	2																		10	J Novotná	77	6
		A Dechaume	6	7																		8	Z Garrison	61	4
		K Godridge	3	5					A Dechaume	6	6
		V Martinek	6	6					V Martinek	2	3
		A Kijimuta	3	1												A Dechaume	2	4
		N Miyagi	7	1	8										8	Z Garrison	6	6
		A Gavaldón	5	6	6				N Miyagi	6	0	2
	WC	R Stubbs	2	0				8	Z Garrison	2	6	6
	8	Z Garrison	6	6

	First round							Second round							Third round							Fourth round
	4	G Sabatini	6	6
		L Harvey-Wild	3	1				4	G Sabatini	6	6
	Q	M Ekstrand	6	7				Q	M Ekstrand	1	1
		J Pospíšilová	1	5											4	G Sabatini	6	6
		A Strnadová	77	6												A Strnadová	1	1
		S Wasserman	62	4					A Strnadová	6	6
		J Durie	6	3	7				J Durie	3	2
	WC	T Morton	1	6	5																	4	G Sabatini	6	6
		T Takagi	6	3	6																		R McQuillan	3	1
		P Fendick	2	6	3				T Takagi	2	4
	Q	S Schefflin	7	6				Q	S Schefflin	6	6
	LL	M Oremans	5	4											Q	S Schefflin	4	0
		R McQuillan	2	6	6											R McQuillan	6	6
		E Brioukhovets	6	4	1				R McQuillan	6	67	6
		P Thorén	3	3				12	B Paulus	4	79	4
	12	B Paulus	6	6

	First round							Second round							Third round							Fourth round
	13	A Frazier	6	6
	WC	K McDonald	3	4				13	A Frazier	6	6
		A Leand	77	1	8				A Leand	3	0
	Q	I Driehuis	63	6	6										13	A Frazier	3	6	6
		C Lindqvist	7	4	6											C Cunningham	6	2	2
		C Macgregor	5	6	3				C Lindqvist	1	0
		C Cunningham	6	6					C Cunningham	6	6
	WC	N Pratt	1	1																		13	A Frazier	3	2
		L McNeil	5	77	6																	6	A Sánchez Vicario	6	6
		K Rinaldi	7	65	1				L McNeil	6	4	6
		L Savchenko-Neiland	6	6					L Savchenko-Neiland	3	6	3
	WC	D Jones	2	2												L McNeil	4	6	0
		M Javer	6	6											6	A Sánchez Vicario	6	3	6
		A Keller	2	2					M Javer	6	4	2
		N Medvedeva	0	2				6	A Sánchez Vicario	4	6	6
	6	A Sánchez Vicario	6	6

	First round							Second round							Third round							Fourth round
	5	K Maleeva	6	6
		B Schultz	1	3				5	K Maleeva	6	6
		S Martin	6	6					S Martin	2	0
	WC	C Barclay	1	1											5	K Maleeva	6	6
		W Probst	4	78	6											D Faber	3	2
		A Henricksson	6	66	4				W Probst	2	0
		D Faber	5	6	6				D Faber	6	6
		E deLone	7	3	2																	5	K Maleeva	6	6
		C Toleafoa	7	6																			M Maleeva	3	2
		S Rottier	5	0					C Toleafoa	0	3
		M Maleeva	6	5	6				M Maleeva	6	6
		M Jaggard	4	7	4											M Maleeva	6	6
		T Whitlinger	63	6	6										14	R Fairbank-Nideffer	2	3
		R Reggi	77	2	2				T Whitlinger	4	1
		G Fernández	3	2				14	R Fairbank-Nideffer	6	6
	14	R Fairbank-Nideffer	6	6

	First round							Second round							Third round							Fourth round
	16	S Appelmans	6	6
		M Paz	0	1				16	S Appelmans	7	6
		P Tarabini	6	6					P Tarabini	5	1
		M Strandlund	4	0											16	S Appelmans	6	6
		J Halard	6	6											Q	P Kamstra	4	3
		D Szabová	2	3					J Halard	3	4
	Q	P Kamstra	6	6				Q	P Kamstra	6	6
		R White	4	2																		16	S Appelmans	3	3
		B Rittner	4	6	6																	3	M J Fernández	6	6
		S Loosemore	6	3	1				B Rittner	3	3
		N Sawamatsu	6	6					N Sawamatsu	6	6
		E Burgin	4	3												N Sawamatsu	1	1
		F Romano	7	6											3	M J Fernández	6	6
	Q	M Zivec-Skulj	5	2					F Romano	1	2
		S Gomer	1	0				3	M J Fernández	6	6
	3	M J Fernández	6	6

	First round							Second round							Third round							Fourth round
	7	M Maleeva	6	6
	WC	J-A Faull	2	0				7	M Maleeva	4	4
		A Huber	6	6					A Huber	6	6
		J Richardson	4	1												A Huber	6	7
		E Pfaff	78	3	6											P Shriver	3	5
		L Field	66	6	3				E Pfaff	3	64
		P Shriver	6	6					P Shriver	6	77
		N van Lottum	3	1																			A Huber	6	6
		C Bartos	6	6																		11	N Zvereva	3	4
		N Guerrée	3	2					C Bartos	6	3	0
		C Wood	3	77	6				C Wood	3	6	6
	Q	S Collins	6	64	0											C Wood	1	3
		C Porwik	78	6											11	N Zvereva	6	6
	Q	M Kochta	66	3					C Porwik	69	4
	11	N Zvereva	6	6				11	N Zvereva	711	6
	Q	G Helgeson	3	4

	First round							Second round							Third round							Fourth round
	9	H Suková	6	6
		B Cordwell	2	1				9	H Suková	6	7
		I Cueto	6	2	7				I Cueto	2	5
		P Ritter	4	6	5										9	H Suková	6	1	4
		C Tanvier	6	6												C Tanvier	4	6	6
		R Baranski	4	1					C Tanvier	67	7	6
		P Hy	6	6					P Hy	79	5	1
		B Bowes	4	3																			C Tanvier	2	1
		K Kschwendt	2	6	6																	2	M Seles	6	6
		P Langrová	6	3	2				K Kschwendt	6	6
		R Rajchrtová	4	7	8				R Rajchrtová	1	1
	WC	L Stacey	6	5	6											K Kschwendt	3	1
		C Caverzasio	6	3	6										2	M Seles	6	6
		S Meier	3	6	3				C Caverzasio	1	0
		S Hack	0	0				2	M Seles	6	6
	2	M Seles	6	6

• 1991 Australian Open – Women's draws and results at the International Tennis Federation