2021 FINA World Swimming Championships (25 m) – Women's 50 metre freestyle

Prior to the competition, the existing world and championship records were as follows.

World record	Ranomi Kromowidjojo (NED)	22.93	Berlin, Germany	7 August 2017
Competition record	Ranomi Kromowidjojo (NED)	23.19	Hangzhou, China	16 December 2018

The following new records were set during this competition:

Date	Event	Name	Nation	Time	Record
21 December	Final	Sarah Sjöström	Sweden	23.08	CR

The heats were started on 20 December at 10:58.^[2]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	11	4	Sarah Sjöström	Sweden	23.31	Q
2	10	4	Katarzyna Wasick	Poland	23.63	Q
3	11	5	Abbey Weitzeil	United States	23.69	Q
4	9	4	Ranomi Kromowidjojo	Netherlands	23.86	Q
5	10	5	Maria Kameneva	Russian Swimming Federation	23.89	Q
6	9	3	Holly Barratt	Australia	24.04	Q
7	10	3	Arina Surkova	Russian Swimming Federation	24.08	Q
8	11	9	Claire Curzan	United States	24.11	Q
9	10	6	Julie Kepp Jensen	Denmark	24.15	Q
9	11	3	Michelle Coleman	Sweden	24.15	Q
9	11	6	Silvia Di Pietro	Italy	24.15	Q
12	9	5	Béryl Gastaldello	France	24.23	Q
13	11	1	Cheng Yujie	China	24.34	Q
14	11	2	Kim Busch	Netherlands	24.40	Q
15	8	3	Farida Osman	Egypt	24.43	Q
16	10	7	Wu Qingfeng	China	24.44	Q
17	9	1	Costanza Cocconcelli	Italy	24.56
18	9	7	Nastassia Karakouskaya	Belarus	24.60
19	7	5	Kalia Antoniou	Cyprus	24.67	NR
20	8	7	Jenjira Srisaard	Thailand	24.78
20	8	8	Bianca Costea	Romania	24.78
22	10	1	Danielle Hill	Ireland	24.83
23	8	6	Diana Petkova	Bulgaria	24.86
24	9	9	Laura Littlejohn	New Zealand	24.89
25	8	4	Nina Stanisavljević	Serbia	24.94
26	10	8	Tam Hoi Lam	Hong Kong	24.99
27	11	8	Jeong So-eun	South Korea	25.04
28	8	9	Jana Pavalić	Croatia	25.09
29	9	0	Julie Meynen	Luxembourg	25.12
29	11	0	Nina Kost	Switzerland	25.12
31	7	7	Maddy Moore	Bermuda	25.15	NR
32	7	2	Maria Drasidou	Greece	25.19
33	10	9	Nina Gangl	Austria	25.21
34	8	2	Jóhanna Elín Guðmundsdóttir	Iceland	25.25
35	7	3	Amel Melih	Algeria	25.35	NR
36	7	8	Nikol Merizaj	Albania	25.40	NR
37	8	0	Cherelle Thompson	Trinidad and Tobago	25.42
38	7	6	Jasmine Alkhaldi	Philippines	25.64
39	7	4	Gabriela Ņikitina	Latvia	25.72
40	10	0	Selen Özbilen	Turkey	25.91
41	1	0	María José Ribera	Bolivia	26.00
42	6	4	Chloe Farro	Aruba	26.13
42	7	1	Kirabo Namutebi	Uganda	26.13
44	6	5	Zaneta Alvaranga	Jamaica	26.18
45	6	2	Imane El Barodi	Morocco	26.32	NR
46	7	0	Marie Khoury	Lebanon	26.57
47	6	3	Varsenik Manucharyan	Armenia	26.59
48	6	1	Mikaili Charlemagne	Saint Lucia	26.60
49	1	2	Alisa Bech Vestergård	Faroe Islands	26.61
50	6	7	Lauren Hew	Cayman Islands	26.79
51	5	2	Aleka Persaud	Guyana	26.86
52	6	0	Samantha Roberts	Antigua and Barbuda	26.87
53	7	9	Norah Milanesi	Cameroon	26.96
54	6	6	Mònica Ramírez	Andorra	26.97
55	2	0	Khuyagbaataryn Enkhzul	Mongolia	27.11
56	5	4	Unilez Takyi	Ghana	27.21
57	5	3	Mona Kilani	Jordan	27.25
58	6	8	Jeanne Boutbien	Senegal	27.27
59	6	9	Jovana Kuljača	Montenegro	27.29
60	5	5	Gabriela Santis	Guatemala	27.30
61	5	7	Mariam Imnadze	Georgia	27.50
62	4	3	Marina Abu Shamaleh	Palestine	27.57	NR
63	5	6	Bhakthi Karunasena	Sri Lanka	27.61
64	2	2	Arleigha Hall	Turks and Caicos Islands	27.76
65	2	7	Kimberly Ince	Grenada	27.84
66	5	9	Mya de Freitas	Saint Vincent and the Grenadines	28.03
67	4	5	Noelani Day	Tonga	28.14
68	5	8	Ayah Binrajab	Bahrain	28.16
69	2	5	Viktoriia Kutuzova	Kyrgyzstan	28.38
70	1	5	Muynin Kaing	Cambodia	28.42	NR
71	3	6	Ekaterina Bordachyova	Tajikistan	28.71
72	5	0	Fjorda Shabani	Kosovo	28.75
73	4	6	Jessica Makwenda	Malawi	28.98
74	4	1	Taffi Illis	Sint Maarten	29.11
75	4	2	Nafissath Radji	Benin	29.23
76	4	8	Iman Kouraogo	Burkina Faso	29.71
77	2	8	Asaka Litulumar	Northern Mariana Islands	29.96
78	1	6	Kayla Hepler	Marshall Islands	30.03
79	4	0	Tity Dumbuya	Sierra Leone	30.50
80	1	8	Yuri Hosei	Palau	31.54
81	3	5	Aya Mpali	Gabon	32.00
82	4	9	Alyse Maniriho	Burundi	32.75
83	3	2	Imelda Ximenes Belo	Timor-Leste	32.84
84	3	3	Rahel Gebresilassie	Ethiopia	33.47
85	3	4	Chloe Sauvourel	Central African Republic	33.78
86	2	1	Claudette Ishimwe	Rwanda	36.59
87	3	8	Mariama Toure	Guinea	37.20
88	3	9	Aicha Ali Adabo	Djibouti	42.80
89	1	7	Toussanti Hassani	Comoros	50.31
	3	1	Leena Mohamedahmed	Sudan	DSQ
	1	1	Juanita Ndong Eyenga	Equatorial Guinea	DNS
	1	3	Sainabou Sam	Gambia
	1	4	Anaikah Thélémaque	Haiti
	2	3	Sonia Aktar	Bangladesh
	2	4	Lucie Kouadio-Patinier	Ivory Coast
	2	6	Marie Amenou	Togo
	2	9	Eunike Mathayo	Tanzania
	3	0	Aminata Sangafe	Mali
	3	7	Bellore Sangala	Republic of the Congo
	4	4	Abiola Ogunbanwo	Nigeria
	4	7	Anushiya Tandukar	Nepal
	5	1	Jayla Pina	Cape Verde
	8	1	Lucy Hope	Great Britain
	8	5	Lillian Slušná	Slovakia
	9	2	Kayla Sanchez	Canada
	9	6	Fanny Teijonsalo	Finland
	9	8	Amanda Lim	Singapore
	10	2	Marie Wattel	France
	11	7	Barbora Seemanová	Czech Republic

The semifinals were started on 20 December at 18:47.^[3]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	4	Sarah Sjöström	Sweden	23.30	Q
2	1	4	Katarzyna Wasick	Poland	23.41	Q
3	1	5	Ranomi Kromowidjojo	Netherlands	23.54	Q
4	2	5	Abbey Weitzeil	United States	23.63	Q
5	2	3	Maria Kameneva	Russian Swimming Federation	23.74	Q
6	1	6	Claire Curzan	United States	23.80	Q
7	1	3	Holly Barratt	Australia	23.90	Q
8	2	7	Silvia Di Pietro	Italy	23.94	Q
9	1	2	Michelle Coleman	Sweden	23.96
10	2	6	Arina Surkova	Russian Swimming Federation	24.00
11	1	7	Béryl Gastaldello	France	24.02
12	2	2	Julie Kepp Jensen	Denmark	24.03
13	2	1	Cheng Yujie	China	24.05
14	1	8	Wu Qingfeng	China	24.15
15	1	1	Kim Busch	Netherlands	24.43
16	2	8	Farida Osman	Egypt	24.49

The final was held on 21 December at 19:37.^[4]

Rank	Lane	Name	Nationality	Time	Notes
	4	Sarah Sjöström	Sweden	23.08	CR
	3	Ranomi Kromowidjojo	Netherlands	23.31
	5	Katarzyna Wasick	Poland	23.40
4	2	Maria Kameneva	Russian Swimming Federation	23.48	NR
5	6	Abbey Weitzeil	United States	23.58
6	7	Claire Curzan	United States	23.91
7	1	Holly Barratt	Australia	23.96
8	8	Silvia Di Pietro	Italy	23.98