Girls' singles
2012 US Open
Final
Champion	Samantha Crawford
Runner-up	Anett Kontaveit
Score	7–5, 6–3
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
← 2011 · US Open · 2013 →

Grace Min was the defending champion, having won the event in 2011, but did not compete.

Wildcard Samantha Crawford defeated twelfth seed Anett Kontaveit in the final 7–5, 6–3, to win her first junior grand slam title.

	Quarterfinals							Semifinals							Final
	1	Taylor Townsend	4	4
	12	Anett Kontaveit	6	6
								12	Anett Kontaveit	6	77
								WC	Victoria Duval	2	64
	WC	Victoria Duval	6	3	6
	9	Anna Danilina	3	6	2
															12	Anett Kontaveit	5	3
															WC	Samantha Crawford	7	6
		Ilka Csöregi	3	1
	4	Antonia Lottner	6	6
								4	Antonia Lottner	6	1	2
								WC	Samantha Crawford	3	6	6
	WC	Samantha Crawford	w/o
	2	Yulia Putintseva

	First round							Second round							Third round							Quarterfinals
	1	Taylor Townsend	6	6
		Laura Ucrós	3	3				1	T Townsend	77	7
		Beatriz Haddad Maia	0	3					E Mertens	64	5
		Elise Mertens	6	6											1	T Townsend	6	77
	WC	Jamie Loeb	6	61	6										16	M Zacarías	0	66
		Mayar Sherif	2	77	0			WC	J Loeb	2	2
		Christina Makarova	3	0				16	M Zacarías	6	6
	16	Marcela Zacarías	6	6																		1	T Townsend	4	4
	12	Anett Kontaveit	6	6																		12	A Kontaveit	6	6
	Q	Madrie Le Roux	4	3				12	A Kontaveit	6	64	77
		Alexandra Kiick	7	6					A Kiick	0	77	64
		Veronika Kudermetova	5	1											12	A Kontaveit	6	6
		Françoise Abanda	6	6											6	K Siniaková	4	4
	WC	Brooke Austin	1	2					F Abanda	6	4	1
		Barbara Haas	5	6	62			6	K Siniaková	0	6	6
	6	Kateřina Siniaková	7	2	77

	First round							Second round							Third round							Quarterfinals
	3	Eugenie Bouchard	6	6
		Rebecca Peterson	1	1				3	E Bouchard	6	1	4
	WC	Victoria Duval	7	6				WC	V Duval	2	6	6
		Varvara Flink	5	0											WC	V Duval	6	6
		Valeria Patiuk	4	6	6											K von Deichmann	2	2
		Bernarda Pera	6	3	1				V Patiuk	2	1
		Kathinka von Deichmann	6	6					K von Deichmann	6	6
	15	Krista Hardebeck	1	2																		WC	V Duval	6	3	6
	9	Anna Danilina	6	6																		9	A Danilina	3	6	2
	Q	Louisa Chirico	4	4				9	A Danilina	6	6
	WC	Anne-Liz Jeukeng	6	2	6			WC	A-L Jeukeng	0	0
		Camilla Rosatello	4	6	2										9	A Danilina	5	6	6
		Jeļena Ostapenko	3	3											WC	C Doyle	7	3	1
		Viktoriya Lushkova	6	6					V Lushkova	1	3
	WC	Caroline Doyle	6	6				WC	C Doyle	6	6
	7	Petra Uberalová	1	4

	First round							Second round							Third round							Quarterfinals
	5	Elizaveta Kulichkova	6	3	3
		Ellen Allgurin	4	6	6				E Allgurin	4	3
	Q	Nicole Frenkel	4	6	3				I Csöregi	6	6
		Ilka Csöregi	6	4	6											I Csöregi	6	6
	Q	Victoria Rodríguez	6	2	3											İ Soylu	2	2
		İpek Soylu	3	6	6				İ Soylu	7	7
		Dominika Paterová	1	2				10	C Scholl	5	5
	10	Chalena Scholl	6	6																			I Csöregi	3	1
	13	Ana Konjuh	6	6																		4	A Lottner	6	6
		Emily Fanning	1	1				13	A Konjuh	4	6	6
	Q	Tornado Alicia Black	6	6				Q	TA Black	6	2	1
		Oleksandra Korashvili	3	4											13	A Konjuh	4	77	0
		Kyle McPhillips	6	6											4	A Lottner	6	64	6
	Q	Marika Akkerman	2	2					K McPhillips	4	1
		Jennifer Brady	3	3				4	A Lottner	6	6
	4	Antonia Lottner	6	6

	First round							Second round							Third round							Quarterfinals
	8	Sachia Vickery	6	6
		Laura Pigossi	3	3				8	S Vickery	6	6
		Doménica González	6	5	3				A Lekaj	3	4
		Adrijana Lekaj	1	7	6										8	S Vickery	6	1	3
	WC	Samantha Crawford	6	6											WC	S Crawford	0	6	6
		Zuzanna Maciejewska	3	3				WC	S Crawford	77	3	7
		Erin Routliffe	1	0				11	B Bencic	65	6	5
	11	Belinda Bencic	6	6																		WC	S Crawford	w/o
	14	Carol Zhao	6	6																		2	Y Putintseva
	WC	Kimberly Yee	2	2				14	C Zhao	6	2
	Q	Rasheeda McAdoo	4	4					C-w Hsu	2	1r
		Hsu Ching-wen	6	6											14	C Zhao	68	63
		Elke Lemmens	1	6	6										2	Y Putintseva	710	77
	Q	Szabina Szlavikovics	6	2	4				E Lemmens	1	0
	WC	Gabrielle Andrews	3	0				2	Y Putintseva	6	6
	2	Yulia Putintseva	6	6

• Main draw