Defending champion Steffi Graf defeated Helena Suková in the final, 6–4, 6–4 to win the women's singles tennis title at the 1989 Australian Open. It was her second Australian Open title and sixth major title overall, and her fifth consecutive major championship. For the second consecutive year, Graf did not lose a set during the tournament.

The seeded players are listed below. Steffi Graf 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	6	6
	8	Claudia Kohde-Kilsch	2	3
								1	Steffi Graf	6	6
								3	Gabriela Sabatini	3	0
	3	Gabriela Sabatini	6	2	6
	6	Zina Garrison	4	6	4
															1	Steffi Graf	6	6
															5	Helena Suková	4	4
		Belinda Cordwell	6	2	6
		Catarina Lindqvist	2	6	1
									Belinda Cordwell	62	6	2
								5	Helena Suková	77	4	6
	5	Helena Suková	6	3	9
	2	Martina Navratilova	2	6	7

	First round							Second round							Third round							Fourth round
	1	S Graf	6	6
	WC	K-A Guse	2	1				1	S Graf	6	6
		R Simpson	4	6	6				R Simpson	0	0
		C Caverzasio	6	1	0										1	S Graf	6	6
		M Werdel	6	6												M Werdel	0	1
		B Herr	1	3					M Werdel	2	6	6
		A Nishiya	3						A Nishiya	6	4	2
		M Pawlik	0	r																		1	S Graf	6	6
		A Frazier	6	6																		16	N Provis	4	0
		M Yanagi	2	4					A Frazier	6	6
		A Dechaume	6	77					A Dechaume	3	3
	WC	J Taylor	2	63												A Frazier	6	4	3
		J Hetherington	77	6											16	N Provis	3	6	6
		H Witvoet	62	1					J Hetherington	4	3
		J-A Faull	4	2				16	N Provis	6	6
	16	N Provis	6	6

	First round							Second round							Third round							Fourth round
	9	L McNeil	1	6	4
	Q	Y Koizumi	6	4	6			Q	Y Koizumi	1	1
		N Guerrée	7	6					N Guerrée	6	6
	WC	S McCann	5	4												N Guerrée	2	1
		D Faber	6	6												D Faber	6	6
		C Bakkum	1	0					D Faber	7	6
		C Porwik	6	63	6				C Porwik	5	3
		S Collins	3	77	2																		D Faber	3	3
	Q	A Farley	6	6																		8	C Kohde-Kilsch	6	6
		J Santrock	3	3				Q	A Farley	6	3	6
		P Langrová	6	77					P Langrová	1	6	1
		V Martinek	2	64											Q	A Farley	3	6	2
		M-C Damas	6	6											8	C Kohde-Kilsch	6	3	6
		J Jonerup	0	0					M-C Damas	6	1	1
		C Cohen	6	1	3			8	C Kohde-Kilsch	2	6	6
	8	C Kohde-Kilsch	4	6	6

	First round							Second round							Third round							Fourth round
	3	G Sabatini	6	6
		C Dahlman	0	1				3	G Sabatini	3	6	6
		C Martínez	6	6					C Martínez	6	1	2
		E Švíglerová	0	2											3	G Sabatini	6	6
		C Benjamin	6	6												C Benjamin	0	0
		M Javer	2	4					C Benjamin	6	6
		D Van Rensburg	4	7	6				D Van Rensburg	3	4
		A Ivan	6	5	1																	3	G Sabatini	6	4	6
		N Herreman	7	7																		13	R Reggi	0	6	1
		W Turnbull	5	5					N Herreman	66	3
		J Durie	6	6					J Durie	78	6
		L Allen	2	4												J Durie	2	2
		C Singer	2	6	6										13	R Reggi	6	6
	WC	M Bowrey	6	3	0				C Singer	0	4
	WC	L Stacey	2	63				13	R Reggi	6	6
	13	R Reggi	6	77

	First round							Second round							Third round							Fourth round
	11	S Hanika	3	1
		E Burgin	6	6					E Burgin	6	6
		L Field	2	6	6				L Field	4	4
		E Smylie	6	4	3											E Burgin	7	5	4
	WC	R Stubbs	6	6												C Macgregor	5	7	6
		E Minter	2	4				WC	R Stubbs	6	0	2
		C Macgregor	6	79					C Macgregor	2	6	6
	Q	K Kschwendt	4	67																			C Macgregor	5	1
	Q	K Kessaris	6	6																		6	Z Garrison	7	6
	Q	T Takagi	1	4				Q	K Kessaris	6	3	6
		M Strandlund	2	7	6				M Strandlund	3	6	4
		A Devries	6	5	4										Q	K Kessaris	0	0
		S Wasserman	6	6											6	Z Garrison	6	6
		L Poruri	4	4					S Wasserman	63	6	4
		M Lindström	1	3				6	Z Garrison	77	4	6
	6	Z Garrison	6	6

	First round							Second round							Third round							Fourth round
	7	B Potter	3	3
		B Cordwell	6	6					B Cordwell	3	6	12
		B Bowes	1	6	6				B Bowes	6	3	10
		L Golarsa	6	4	4											B Cordwell	1	77	6
	WC	A Temesvári	6	6											WC	A Temesvári	6	65	1
	Q	J Fuchs	1	1				WC	A Temesvári	4	77	6
		K Keil	6	64	6				K Keil	6	64	4
		K Horvath	0	77	4																		B Cordwell	6	6
		F Bonsignori	77	7																			B Schultz	3	2
		S Meier	65	5					F Bonsignori	4	6	8
		M Jaggard	6	2	7				M Jaggard	6	3	10
		R Baranski	4	6	5											M Jaggard	4	2
		B Schultz	6	6												B Schultz	6	6
		I Budařová	4	3					B Schultz	6	3	6
		E Inoue	6	0	5			14	A Minter	4	6	1
	14	A Minter	2	6	7

	First round							Second round							Third round							Fourth round
	12	P Fendick	4	6	6
		H Cioffi	6	4	3			12	P Fendick	4	64
		R Reis	2	6	6				R Reis	6	77
		G Miró	6	4	2											R Reis	4	4
		J Wiesner	6	6												J Wiesner	6	6
		S Jaquet	3	3					J Wiesner	6	6
		E Derly	6	6					E Derly	1	2
		R Maršíková	4	1																			J Wiesner	5	2
		C Lindqvist	6	6																			C Lindqvist	7	6
		G Magers	3	2					C Lindqvist	0	6	6
		L Antonoplis	6	2	6				L Antonoplis	6	2	3
		C Christian	2	6	1											C Lindqvist	0	6	8
		S Loosemore	6	1	6										4	P Shriver	6	4	6
		N Jagerman	2	6	3				S Loosemore	6	3	4
		R McQuillan	4	1				4	P Shriver	1	6	6
	4	P Shriver	6	6

	First round							Second round							Third round							Fourth round
	5	H Suková	7	6
		J Richardson	5	0				5	H Suková	7	6
		H Ludloff	6	2	6				H Ludloff	5	3
		K Quentrec	4	6	4										5	H Suková	6	6
	WC	L O'Neill	6	6											WC	L O'Neill	2	1
		I Kuczyńska	2	4				WC	L O'Neill	6	77
		E Krapl	77	6					E Krapl	2	64
		A Henricksson	64	1																		5	H Suková	7	6
		P Vásquez	6	4	6																		C Tanvier	5	4
	Q	H ter Riet	4	6	1				P Vásquez	3	6	2
		C Tanvier	3	6	6				C Tanvier	6	4	6
		L-A Eldredge	6	3	2											C Tanvier	6	6
		A Grossman	3	6	6										10	M J Fernández	2	3
		S Auer	6	3	4				A Grossman	4	61
		T Phelps	1	6	1			10	M J Fernández	6	77
	10	M J Fernández	6	4	6

	First round							Second round							Third round							Fourth round
	15	H Mandlíková	4	6	6
		C Wood	6	2	3			15	H Mandlíková	4	6	6
		E Pfaff	6	6					E Pfaff	6	1	4
		S Niox-Château	3	1											15	H Mandlíková	3	6	9
		K Adams	63	6	7											M Bollegraf	6	3	7
		W Probst	77	3	5				K Adams	78	2	3
		M Bollegraf	6	6					M Bollegraf	66	6	6
		J Halard	3	3																		15	H Mandlíková	4	1
		J Novotná	7	7																		2	M Navratilova	6	6
	Q	J Ingram	5	5					J Novotná	6	6
		C Cunningham	6	6					C Cunningham	2	2
		D Balestrat	4	3												J Novotná	2	2
		J Byrne	6	6											2	M Navratilova	6	6
		S Schilder	0	2					J Byrne	4	67
		A Betzner	0	1				2	M Navratilova	6	79
	2	M Navratilova	6	6

• 1989 Australian Open – Women's draws and results at the International Tennis Federation