1943 U.S. National Championships – Women's singles

First-seeded and reigning champion Pauline Betz defeated second-seeded Louise Brough 6–3, 5–7, 6–3 in the final to win the women's singles tennis title at the 1943 U.S. National Championships. The tournament was played on outdoor grass courts and held from September 1 through September 4, 1943 at the West Side Tennis Club in Forest Hills, Queens, New York.^[1][2]

Women's singles
1943 U.S. National Championships
Champion	Pauline Betz[1]
Runner-up	Louise Brough
Score	6–3, 5–7, 6–3
Draw	32
Seeds	8

The draw consisted of 32 players of which eight were seeded.^[3]

Seeds

The eight seeded U.S. players are listed below. Pauline Betz is the champion; others show in brackets the round in which they were eliminated.^[3]

1. Pauline Betz (champion)
2. Louise Brough (finalist)
3. Margaret Osborne (quarterfinals)
4. Doris Hart (semifinals)
5. Sarah Palfrey Cooke (quarterfinals)
6. Helen Bernhard (second round)
7. Dorothy Bundy (semifinals)
8. Mary Arnold (quarterfinals)

Draw

Final eight

	Quarterfinals							Semifinals							Finals
	1	Pauline Betz	6	6
		Dorothy Head	0	1
								1	Pauline Betz	9	2	6
								4	Doris Hart	7	6	1
	4	Doris Hart	6	6
	5	Sarah Palfrey Cooke	1	3
															1	Pauline Betz	6	5	6
															2	Louise Brough	3	7	3
	2	Louise Brough	3	6	7
	8	Mary Arnold	6	3	5
								2	Louise Brough	6	7
								7	Dorothy Bundy	4	5
	3	Margaret Osborne	3	6	5
	7	Dorothy Bundy	6	3	7