Women's singles
1933 U.S. National Championships
Final
Champion	Helen Jacobs[1]
Runner-up	Helen Wills Moody
Score	8–6, 3–6, 3–0 ret.
Details
Draw	64
Seeds	12
Events
Singles men women Doubles men women
← 1932 · U.S. National Championships · 1934 →

Second-seededHelen Jacobs defeated first-seededHelen Wills Moody 8–6, 3–6, 3–0 ret. in the final to win the 'Women's Singles tennis title at the1933 U.S. National Championships at the Forest Hills Tennis Stadium in Queens. At 0–3 in the final set Wills Moody retired citing a back injury.^[1][2] The loss ended Wills Moody's 45-match winning streak at the U.S. Championships.^[3] The final was played on August 26, 1933, in front of a crowd of 8,000 spectators.^[2]

The tournament used two lists of six players for seeding the women's singles event; one for U.S. players and one for foreign players.Helen Jacobs is the champion; others show in brackets the round in which they were eliminated.

	Quarterfinals							Semifinals							Finals
	1	Helen Wills Moody	6	6
	(3)	Mary Heeley	0	2
								1	Helen Wills Moody	2	6	6
								(2)	Betty Nuthall	6	3	2
	3	Alice Marble	8	0	5
	(2)	Betty Nuthall	6	6	7
															1	Helen Wills Moody	6	6	0r
															2	Helen Jacobs	8	3	3
	2	Helen Jacobs	11	6
	6	Josephine Cruickshank	9	4
								2	Helen Jacobs	6	5	6
								(1)	Dorothy Round	4	7	2
	4	Sarah Palfrey	4	7
	(1)	Dorothy Round	6	9

• U.S. National Championships (tennis) by year – Women's singles
• 1933 in women's tennis
• 1933 in American women's sports
• 1933 U.S. National Championships (tennis)

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