The 2017 Apia International Sydney was a joint 2017 ATP World Tour and 2017 WTA Tour tennis tournament, played on outdoor hard courts in Sydney, New South Wales (NSW). It was the 124th edition of the tournament and took place at the NSW Tennis Centre in Sydney, Australia. It was held from 8 January through 14 January 2017 as part of the Australian Open Series in preparation for the first Grand Slam of the year.

Svetlana Kuznetsova was the defending champion, but lost in the second round to Anastasia Pavlyuchenkova.

Johanna Konta won the title, defeating Agnieszka Radwańska in the final, 6–4, 6–2.

The top two seeds received a bye into the second round.

	Semifinals							Final
	6	Johanna Konta	6	6
	WC	Eugenie Bouchard	2	2
								6	Johanna Konta	6	6
								2	Agnieszka Radwańska	4	2
		Barbora Strýcová	1	2
	2	Agnieszka Radwańska	6	6

	First round							Second round							Quarterfinals							Semifinals
								1	A Kerber	65	2
		D Kasatkina	3	6	6				D Kasatkina	77	6
		T Babos	6	4	2											D Kasatkina	3	5
	LL	D Vekić	3	61											6	J Konta	6	7
		D Gavrilova	6	77					D Gavrilova	1	3
	LL	Ar Rodionova	3	4				6	J Konta	6	6
	6	J Konta	6	6																		6	J Konta	6	6
	3	D Cibulková	6	6																		WC	E Bouchard	2	2
		L Siegemund	2	0				3	D Cibulková	4	3
	WC	E Bouchard	77	6				WC	E Bouchard	6	6
		S Zhang	61	2											WC	E Bouchard	6	6
		S Stosur	3	1												A Pavlyuchenkova	2	3
		A Pavlyuchenkova	6	6					A Pavlyuchenkova	7	6
		I-C Begu	1	4				5	S Kuznetsova	5	3
	5	S Kuznetsova	6	6

	First round							Second round							Quarterfinals							Semifinals
	10	C Wozniacki	6	2	6
		M Puig	3	6	4			10	C Wozniacki	6	7
	WC	B Bencic	4	3r					Y Putintseva	0	5
		Y Putintseva	6	2											10	C Wozniacki	5	78	4
		B Strýcová	6	7												B Strýcová	7	66	6
		E Makarova	3	5					B Strýcová	6	6
	Q	M Sakkari	4	0				9	R Vinci	2	3
	9	R Vinci	6	6																			B Strýcová	1	2
	8	E Vesnina	2	0r																		2	A Radwańska	6	6
		C Vandeweghe	6	4					C Vandeweghe	3	2
	LL	I Falconi	5	6	0			Q	Y Duan	6	6
	Q	Y Duan	7	3	6										Q	Y Duan	3	2
	Q	K Bondarenko	6	5	2										2	A Radwańska	6	6
	Q	C McHale	4	7	6			Q	C McHale	61	1
								2	A Radwańska	77	6

	First round							Second round							Qualifying competition
	1	Yaroslava Shvedova	1	4
		Naomi Broady	6	6
									Naomi Broady	6	63	6
								WC	Ellen Perez	4	77	3
	WC	Ellen Perez	6	6
		Kateryna Kozlova	4	4
																Naomi Broady	1	1
															5	Kateryna Bondarenko	6	6
		Zheng Saisai	2	64
		Mirjana Lučić-Baroni	6	77
									Mirjana Lučić-Baroni	6	3	3
								5	Kateryna Bondarenko	3	6	6
		Viktoriya Tomova	3	6	1
	5	Kateryna Bondarenko	6	3	6

	First round							Second round							Qualifying competition
	2	Christina McHale	6	6
		Jennifer Brady	1	3
								2	Christina McHale	6	6
									Kristína Kučová	2	1
		Magda Linette	6	3	5
		Kristína Kučová	3	6	7
															2	Christina McHale	6	6
																Irina Falconi	1	3
		Carina Witthöft	6	6
		Denisa Allertová	2	1
									Carina Witthöft	4	2
									Irina Falconi	6	6
		Irina Falconi	7	6
	7	Océane Dodin	5	4

	First round							Second round							Qualifying competition
	3	Tsvetana Pironkova	77	6
		Patricia Maria Țig	64	3
								3	Tsvetana Pironkova	3	0r
									Maria Sakkari	6	2
		Maria Sakkari	6	77
		Evgeniya Rodina	3	64
																Maria Sakkari	6	6
																Donna Vekić	3	4
		Barbora Štefková	5	2
		Donna Vekić	7	6
									Donna Vekić	6	2	7
								8	Vania King	2	6	5
	WC	Olivia Tjandramulia	2	1
	8	Vania King	6	6

	First round							Second round							Qualifying competition
	4	Louisa Chirico	6	2	5
		Jana Čepelová	2	6	7
									Jana Čepelová
									Duan Yingying	w/o
		Varvara Lepchenko	1	4
		Duan Yingying	6	6
																Duan Yingying	4	7	77
															WC	Arina Rodionova	6	5	62
	WC	Abbie Myers	5	6	2
	WC	Arina Rodionova	7	3	6
								WC	Arina Rodionova	6	6
								6	Danka Kovinić	3	1
		Mona Barthel	1	6	4
	6	Danka Kovinić	6	1	6

• 2017 Australian Open Series

• Main draw
• Qualifying draw