1966 U.S. National Championships – Women's singles

Second-seeded Maria Bueno defeated Nancy Richey 6–3, 6–1 in the final to win the women's singles tennis title at the 1966 U.S. National Championships.

Women's singles
1966 U.S. National Championships
Champion	Maria Bueno
Runner-up	Nancy Richey
Score	6–3, 6–1
Draw	64
Seeds	8

Seeds

The seeded players are listed below. Maria Bueno is the champion; others show in brackets the round in which they were eliminated.

1. Billie Jean King (second round)
2. Maria Bueno (champion)
3. Nancy Richey (finalist)
4. Françoise Dürr (quarterfinals)
5. Rosemary Casals (semifinals)
6. Norma Baylon (quarterfinals)
7. Virginia Wade (quarterfinals)
8. Donna Fales (first round)

Draw

Key

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

Final eight

	Quarterfinals							Semifinals							Finals
	2	Maria Bueno	6	6
	6	Norma Baylon	0	1
								2	Maria Bueno	6	10	6
								5	Rosemary Casals	2	12	3
	5	Rosemary Casals	6	6
	4	Françoise Dürr	4	4
															2	Maria Bueno	6	6
															3	Nancy Richey	3	1
	3	Nancy Richey	6	6
	7	Virginia Wade	3	1
								3	Nancy Richey	6	6
									Kerry Melville	3	2
		Madonna Schacht	1	2
		Kerry Melville	6	6

Earlier rounds

Section 1

	First round							Second round							Third round							Quarterfinals
	2	Maria Bueno	6	6
		Kathy Blake	0	0				2	Maria Bueno	6	6
		Mary Ann Eisel	5	6	5				Lynn Abbes	3	3
		Lynn Abbes	7	4	7										2	Maria Bueno	6	6
		Stephanie De Fina	3	6	6											Stephanie De Fina	2	4
		Peachy Kellmeyer	6	4	0				Stephanie De Fina	6	3	8
		Vicky Rodgers	6	6					Vicky Rodgers	2	6	6
		Patricia Cody	3	4																		2	Maria Bueno	6	6
		Raymonde Jones	6	6																		6	Norma Baylon	0	1
		Joane Swanson	3	4					Raymonde Jones	0	5
		Vicki Berner	10	6					Vicki Berner	6	7
		Susan Butt	8	0												Vicki Berner	2	6	3
		Wendy Overton	6	6											6	Norma Baylon	6	1	6
		Linda Tuero	4	0					Wendy Overton	4	5
		Bonnie Logan	5	1				6	Norma Baylon	6	7
	6	Norma Baylon	7	6