Swimming at the 2019 World Aquatics Championships – Women's 50 metre breaststroke

The heats were held on 27 July at 10:40.[3]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	4	4	Benedetta Pilato	Italy	29.98	Q, NR
2	6	4	Lilly King	United States	30.18	Q
3	5	5	Martina Carraro	Italy	30.38	Q
4	6	5	Alia Atkinson	Jamaica	30.53	Q
5	5	4	Yuliya Yefimova	Russia	30.63	Q
6	6	6	Jessica Hansen	Australia	30.69	Q
7	6	3	Alina Zmushka	Belarus	30.71	Q
8	4	5	Ida Hulkko	Finland	30.72	Q
9	5	3	Sophie Hansson	Sweden	30.96	Q
10	6	1	Rosey Metz	Netherlands	30.99	Q
11	6	2	Tes Schouten	Netherlands	31.03	Q
12	4	2	Anna Sztankovics	Hungary	31.13	Q
13	4	3	Anna Belousova	Russia	31.20	Q
13	5	7	Suo Ran	China	31.20	Q
15	5	8	Anna Elendt	Germany	31.24	Q
16	4	7	Fleur Vermeiren	Belgium	31.36	Q
17	5	6	Tatjana Schoenmaker	South Africa	31.40
18	6	7	Fanny Lecluyse	Belgium	31.42
19	5	2	Jenna Laukkanen	Finland	31.48
20	6	9	Kotryna Teterevkova	Lithuania	31.53
21	4	6	Jessica Vall	Spain	31.58
21	4	9	Maria Romanjuk	Estonia	31.58
23	3	3	Jamie Yeung	Hong Kong	31.61	NR
24	4	8	Tatiana Chișca	Moldova	31.68
25	4	0	Lisa Mamie	Switzerland	31.70
26	5	9	Adelaida Pchelintseva	Kazakhstan	31.94
27	4	1	Matilde Schroder	Denmark	31.98
28	3	1	Back Su-yeon	South Korea	32.02
29	6	8	Weronika Hallmann	Poland	32.07
30	5	1	Niamh Coyne	Ireland	32.12
31	5	0	Phee Jinq En	Malaysia	32.23
32	3	4	Gülşen Samancı	Turkey	32.28
33	3	6	Jenjira Srisaard	Thailand	32.33
34	3	2	Tilka Paljk	Zambia	32.37
34	6	0	Lin Pei-wun	Chinese Taipei	32.37
36	3	5	Christie Chue	Singapore	32.39
36	3	7	Ema Rajić	Croatia	32.39
38	1	7	Jayla Pina	Cape Verde	33.52
39	3	8	Nàdia Tudó	Andorra	33.67	NR
40	3	0	Kirsten Fisher-Marsters	Cook Islands	34.44
41	2	8	Evita Leter	Suriname	34.58
42	3	9	Naima Hazell	Saint Lucia	34.79
43	2	3	Darya Semyonova	Turkmenistan	35.33
44	1	4	Chinelo Iyadi	Nigeria	35.64
45	1	6	Elodie Poo-cheong	Mauritius	36.72
46	1	3	Naomy Grand-Pierre	Haiti	37.02
47	2	4	Taeyanna Adams	F.S. Micronesia	37.13
48	2	5	Siri Arun Budcharern	Laos	40.72
49	2	0	Aaliyah Palestrini	Seychelles	40.90
50	2	1	Sylvia Caloiaro	Tanzania	42.30
51	2	6	Soukeyna Pitroipa	Burkina Faso	44.18
52	2	7	Mariama Touré	Guinea	44.35
53	1	2	Aichata Konate	Mali	49.20
54	1	5	Pilar Ndong	Equatorial Guinea	49.32
55	2	2	Safia Houssein	Djibouti	49.56
56	2	9	Odrina Kaze	Burundi	49.77
	1	1	Lina Selo	Ethiopia	DNS

The semifinals were started on 27 July at 20:26.[4]

The final was held on 28 July at 20:09.[5]

Rank	Lane	Name	Nationality	Time	Notes
	4	Lilly King	United States	29.84
	3	Benedetta Pilato	Italy	30.00
	5	Yuliya Yefimova	Russia	30.15
4	2	Alia Atkinson	Jamaica	30.34
5	6	Martina Carraro	Italy	30.49
6	1	Jessica Hansen	Australia	30.84
7	8	Anna Elendt	Germany	31.06
8	7	Ida Hulkko	Finland	31.23