Course layout

The final length came to differ between each round. Fourth round length is shown.^[1]

Clubhouse and 18th green at Brooklawn Country Club

Exempt from qualifying

Many players were exempt in multiple categories. Players are listed only once, in the first category in which they became exempt.^{[lower-alpha 1][lower-alpha 2][2][3]}

1. Former winners of the U.S. Senior Women's Open Championship

2. From the 2019 U.S. Senior Women's Open Championship, the 20 lowest scorers and anyone tying for 20th place

• Donna Andrews, Jane Crafter, and Wendy Doolan did not play.

3. From the 2019 U.S. Senior Women's Open Championship, the amateur(s) returning the lowest 72-hole score

4. Winners of the U.S. Women's Open Championship who reached their 50th birthday on or before July 29, 2021 (ten year exemption^{[lower-alpha 3]})

• Janet Alex Anderson, Kathy Baker Guadagnino, Susie Berning, Pat Bradley, Donna Caponi, Kathy Cornelius, Sandra Haynie, Betsy King, Catherine Lacoste, Murle Lindstrom, Meg Mallon, Lauri Merten, Mary Mills, Sandra Palmer, Betsy Rawls and Patty Sheehan did not play

5. From the 2019, 2020 & 2021 U.S. Women's Open Championship, any player returning a 72-hole score who is age eligible.

6. Any professional or applicant for reinstatement who has won the U.S. Women's Amateur Championship, and who has reached their 50th birthday on or before July 29, 2021 (three-year exemption^{[lower-alpha 3]})

• Kay Cockerill, Jean Ashley Crawford, Beth Daniel, Mary Lou Dill, Amy Fruhwirth, Michiko Hattori, Cindy Hill, Donna Horton, Deb Richard, Cathy Sherk and Pearl Sinn did not play.

7. Winners of the U.S. Women's Amateur Championship who reached their 50th birthday on or before July 29, 2021 (must be an amateur; five-year exemption^{[lower-alpha 3]})

• Mary Budke, Martha Kirouac, Patricia Lesser Harbottle, Barbara McIntire, Anne Quast Sander, Marlene Stewart Streit did not play.

8. Winners of the 2018 and 2019 U.S. Senior Women's Amateur Championship, and the 2019 runner-up (must be an amateur)

9. Winners of the 2018 and 2019 U.S. Women's Mid-Amateur Championship (must be an amateur)

10. Playing members of the two most recent United States and Great Britain & Ireland Curtis Cup Teams, and the two most current United States Women's World Amateur Teams (must be an amateur)

11. Winners of the 2017-2019 Senior LPGA Championship, and the 2018 and 2019 runners-up

12. From the 2019 Senior LPGA Championship, the 10 lowest scorers and anyone tying for 10th place

13. From the final 2018 and 2019 official Legends Tour Performance Points list, the top 30 point leaders and ties

• Barb Mucha did not play

14. Winners of the Legends Tour co-sponsored events, excluding team events, whose victories are considere official, in 2018 and 2019 and during the current calendar year to the initiation of the current year's U.S. Senior Women's Open Championship (events minimum of 36 holes)

15. Winners of the LPGA Teaching & Club Professional Championship (Championship Division) from 2015 to 2019, and the five lowest scores and ties from the most recent Championship (2019)

16. From the 2019 LPGA Teaching & Club Professional Championship (Senior Division), the three lowest scores and ties

17. Winners of the 2019 R&A Women's Senior Amateur and Canadian Women's Senior Amateur Championships (must be an amateur)

18. Winners of the following events when deemed a major by the LPGA Tour and who reached their 50th birthday on or before July 29, 2021. ANA Inspiration (1983-present); Evian Championship (2013–present); AIG Women's British Open (2019–present); Ricoh Women's British Open (2001–18); du Maurier Classic (1979-2000); KPMG Wome's PGA Championship (1955-present); Titleholders Championship (1946-66 & 1972) or Western Open (1930-1967). (This is a ten year exemption^{[lower-alpha 3]})

• Jody Anschutz, Gloria Ehret, Shirley Englehorn, Marlene Hagge, Chako Higuchi, Judy Kimball, Jenny Lidback, Sally Little, Nancy Lopez, Alice Miller, Martha Nause, Dottie Pepper, Sandra Post, Kelly Robbins, Sherry Steinhauer, Sherri Turner, Kathy Whitworth and Joyce Ziski did not play.

19. From the final 2020 LPGA Tour all-time money list, the top 10 players who are age-eligible and not otherwise exempt as of March 29, 2021

• Vicki Fergon, Kate Golden, Penny Hammel and Alice Ritzman did not play.

20. From the final 2019 LPGA Tour all-time money list, the top 150 money leaders and ties who are age-eligible

• Dale Eggeling and Kim Saiki-Maloney did not play

21. Winners of the LPGA Tour co-sponsored events, whose victories are considered official, from 2015 to 2020, and during the current calendar year to the initiation of the 2021 U.S. Senior Women's Open Championship

22. Playing members of the five most current United States and European Solheim Cup Teams

23. From the 2019 and 2020 final official Ladies European Tour and Japan LPGA Tour career money lists, the top five money leaders

24. Special exemptions as selected by the USGA

Also exempt:

• Catherine Panton-Lewis

Qualifiers

Additional players qualified through sectional qualifying tournaments, which took place from June 15 to July 15, 2021, at 16 different sites across the United States.^[4]

Final leaderboard

Sunday, August 1, 2021

Place	Player	Score	To par	Money ($)
1	Annika Sörenstam	67-69-72-68=276	−12	180,000
2	Liselotte Neumann	70-69-71-74=284	−4	108,000
3	Laura Davies	71-75-68-71=285	−3	68,977
4	Catriona Matthew	71-70-71-74=286	−2	43,970
	Yuko Saito	70-70-74-72=286
6	Kris Tschetter	69-72-75-73=289	+1	35,338
T7	Helen Alfredsson	74-72-72-72=290	+2	28,876
	Christa Johnson	74-71-75-70=290
	Kimberly Williams	72-72-74-72=290
T10	Dana Ebster	67-74-76-74=291	+3	20,173
	Tammie Green	74-75-72-70=291
	Suzy Green-Roebuck	71-74-75-71=291
	Juli Inkster	73-74-72-72=291
	Karen Weiss	77-70-76-68=291

Sources:^{[5][6][7][8][9][10]}