Swimming at the 2022 World Aquatics Championships – Women's 50 metre backstroke

The heats were started on 21 June at 09:00.[3]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	4	5	Kylie Masse	Canada	27.26	Q
2	3	4	Katharine Berkoff	United States	27.49	Q
3	4	3	Ingrid Wilm	Canada	27.55	Q
4	3	5	Regan Smith	United States	27.70	Q
5	2	5	Analia Pigrée	France	27.75	Q
6	2	6	Medi Harris	Great Britain	27.83	Q
7	3	3	Silvia Scalia	Italy	27.86	Q
8	2	4	Kaylee McKeown	Australia	27.94	Q
9	4	8	Chen Jie	China	27.95	Q
10	2	3	Maaike de Waard	Netherlands	28.04	Q
11	4	6	Mimosa Jallow	Finland	28.06	Q
12	4	2	Theodora Drakou	Greece	28.12	Q
13	4	4	Kira Toussaint	Netherlands	28.17	Q
14	3	7	Simona Kubová	Czech Republic	28.37	Q
15	4	1	Lee Eun-ji	South Korea	28.38	Q
16	2	2	Paulina Peda	Poland	28.47	Q
17	2	7	Lora Komoróczy	Hungary	28.49
18	3	2	Julie Kepp Jensen	Denmark	28.50
19	3	6	Caroline Pilhatsch	Austria	28.54
20	3	1	Andrea Berrino	Argentina	28.56
21	4	7	Louise Hansson	Sweden	28.67
22	3	8	Stephanie Au	Hong Kong	28.70
23	2	1	Olivia Nel	South Africa	29.06
24	4	0	Alexia Sotomayor	Peru	29.72
25	3	0	Donata Katai	Zimbabwe	29.81
26	4	9	Hsu An	Chinese Taipei	30.46
27	2	8	Masniari Wolf	Indonesia	30.48
28	3	9	Marie Khoury	Lebanon	30.57
29	2	0	Mia Blazhevska Eminova	North Macedonia	30.61
30	1	3	Noor Taha	Bahrain	31.38
31	1	8	Enkh-Amgalangiin Ariuntamir	Mongolia	31.95
32	1	6	Lucia Ruchti	Suspended Member Federation	32.33
33	2	9	Jovana Kuljača	Montenegro	32.74
34	1	4	Denise Donelli	Mozambique	32.76
35	1	1	Aynura Primova	Turkmenistan	32.91
36	1	5	Avice Meya	Uganda	32.94
37	1	2	Ariel Rodrigues	Guyana	33.18
38	1	7	Hamna Ahmed	Maldives	34.53
39	1	0	Kayla Temba	Tanzania	39.30

The semifinals were started on 21 June at 18:37.[4]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	4	Kylie Masse	Canada	27.22	Q
2	2	3	Analia Pigrée	France	27.29	Q, NR
2	1	5	Regan Smith	United States	27.29	Q
4	2	5	Ingrid Wilm	Canada	27.39	Q
5	1	4	Katharine Berkoff	United States	27.40	Q
6	1	6	Kaylee McKeown	Australia	27.58	Q
7	2	1	Kira Toussaint	Netherlands	27.69	Q
8	1	3	Medi Harris	Great Britain	27.72	QSO
8	2	6	Silvia Scalia	Italy	27.72	QSO
10	1	2	Maaike de Waard	Netherlands	27.77
11	2	2	Chen Jie	China	27.83
12	1	7	Theodora Drakou	Greece	27.99
12	2	7	Mimosa Jallow	Finland	27.99
14	1	8	Paulina Peda	Poland	28.11
15	2	8	Lee Eun-ji	South Korea	28.26
16	1	1	Simona Kubová	Czech Republic	28.35

The swim-off was held on 21 June at 20:24.[5]

Rank	Lane	Name	Nationality	Time	Notes
1	4	Medi Harris	Great Britain	27.56	Q
2	5	Silvia Scalia	Italy	27.65	NR

The final was held on 22 June at 18:30.[6]

Rank	Lane	Name	Nationality	Time	Notes
	4	Kylie Masse	Canada	27.31
	2	Katharine Berkoff	United States	27.39
	3	Analia Pigrée	France	27.40
4	6	Ingrid Wilm	Canada	27.43
5	5	Regan Smith	United States	27.47
5	7	Kaylee McKeown	Australia	27.47
7	8	Medi Harris	Great Britain	27.72
8	1	Kira Toussaint	Netherlands	27.80