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

The heats were held on 23 July at 10:00.[3]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	8	4	Adam Peaty	Great Britain	26.28	Q
2	6	4	João Gomes Júnior	Brazil	26.73	Q
2	7	4	Felipe Lima	Brazil	26.73	Q
4	7	6	Hüseyin Emre Sakçı	Turkey	26.87	Q, NR
4	8	5	Ilya Shymanovich	Belarus	26.87	Q
6	7	2	Kirill Prigoda	Russia	26.93	Q
6	8	6	Yan Zibei	China	26.93	Q, AS
8	8	8	Darragh Greene	Ireland	26.94	Q, NR
9	6	2	Andrei Nikolaev	Russia	26.99	Q
10	8	3	Nicolo Martinenghi	Italy	27.00	Q
11	6	5	Michael Andrew	United States	27.02	Q
12	7	5	Fabio Scozzoli	Italy	27.11	Q
13	6	7	Tobias Bjerg	Denmark	27.13	Q, NR
14	6	6	Ties Elzerman	Netherlands	27.19	Q
15	8	9	Nikola Obrovac	Croatia	27.27	Q, NR
16	6	3	Yasuhiro Koseki	Japan	27.33	Q
17	8	0	Dmitriy Balandin	Kazakhstan	27.36	R
18	8	1	Wang Lizhuo	China	27.39	R
19	7	3	Michael Houlie	South Africa	27.41
20	5	4	Anton Sveinn McKee	Iceland	27.46	NR
21	7	1	Bernhard Reitshammer	Austria	27.49
22	8	2	Peter John Stevens	Slovenia	27.50
23	6	0	Moon Jae-kwon	South Korea	27.57
24	5	3	Youssef El-Kamash	Egypt	27.62	NR
25	6	1	Itay Goldfaden	Israel	27.67
25	7	7	Giedrius Titenis	Lithuania	27.67
27	7	0	Édgar Crespo	Panama	27.76
28	5	7	Richard Funk	Canada	27.78
29	4	7	Martin Allikvee	Estonia	27.79	NR
30	6	8	Renato Prono	Paraguay	27.80
31	6	9	Martin Melconian	Uruguay	27.85
32	7	8	Vladislav Mustafin	Uzbekistan	27.90
33	4	8	James Deiparine	Philippines	27.91	NR
34	4	6	Yannick Käser	Switzerland	27.99
35	5	5	Lachezar Shumkov	Bulgaria	28.00
36	5	2	Chao Man Hou	Macau	28.07
37	5	1	Kirill Vais	Kyrgyzstan	28.15
38	5	6	Tomáš Klobučník	Slovakia	28.20
39	4	2	Jan Kalusowski	Poland	28.26
40	7	9	Jorge Murillo	Colombia	28.36
41	4	3	Wu Chun-feng	Chinese Taipei	28.43
42	5	8	S.P. Likhith	India	28.44
43	5	9	Ari-Pekka Liukkonen	Finland	28.45
44	5	0	Lionel Khoo	Singapore	28.46
45	3	4	Josué Domínguez	Dominican Republic	28.50
46	1	4	Benjamin Schulte	Guam	28.73
47	4	4	Didzis Rudavs	Latvia	28.94
48	4	1	Gagarin Nathaniel	Indonesia	28.97
49	4	5	Izaak Bastian	Bahamas	28.98
50	4	0	Marco Flores	Honduras	29.09
51	3	5	Adrian Robinson	Botswana	29.11
52	3	6	Rainier Rafaela	Curaçao	29.23
53	2	3	Santiago Cavanagh	Bolivia	29.26
54	4	9	Sebastien Kouma	Mali	29.27
55	3	3	Malcolm Richardson	Cook Islands	29.36
56	1	6	Amini Fonua	Tonga	29.73
57	1	0	Constantin Malachi	Moldova	29.76
58	2	7	Rashed Altarmoom	Kuwait	30.13
58	3	2	Giacomo Casadei	San Marino	30.13
60	1	1	Muhammad Ahmad	Brunei	30.22
61	2	9	Jonathan Raharvel	Madagascar	30.23
61	3	7	Zandanbal Gunsennorov	Mongolia	30.23
63	3	1	Shane Cadogan	Saint Vincent and the Grenadines	30.73
64	2	2	Slava Sihanouvong	Laos	32.11
65	3	0	Tendo Mukalazi	Uganda	32.64
66	1	5	Tindwende Sawadogo	Burkina Faso	33.97
67	3	9	Clayment Lafiara	Solomon Islands	34.37
68	2	1	Izzeldin Ibrahim	Sudan	34.52
69	1	7	Momodou Saine	Gambia	34.64
70	2	4	Yaya Yeressa	Guinea	34.71
71	2	5	Gildas Koumondji	Benin	34.90
72	2	6	Abdelmalik Muktar	Ethiopia	35.17
73	2	0	Chris Mana	Rwanda	36.93
74	2	8	Hamid Rahimi	Afghanistan	37.48
75	1	2	Alie Kamara	Sierra Leone	37.79
76	1	8	Hakim Youssouf	Comoros	38.65
77	1	9	Darshan Koffi	Togo	40.39
78	1	3	Hollingsword Wolul	Vanuatu	41.44
	3	8	Kumaren Naidu	Zambia	DSQ
	8	7	Andrew Wilson	United States	DNS

The semifinals were held on 23 July at 20:41.[4]

The swim-off was held on 23 July at 22:02.[5]

Rank	Lane	Name	Nationality	Time	Notes
1	4	Kirill Prigoda	Russia	27.09	Q
2	5	Tobias Bjerg	Denmark	27.16

The final was held on 24 July at 21:03.[6]

Rank	Lane	Name	Nationality	Time	Notes
	4	Adam Peaty	Great Britain	26.06
	5	Felipe Lima	Brazil	26.66
	2	João Gomes Júnior	Brazil	26.69
4	8	Kirill Prigoda	Russia	26.72	NR
5	6	Ilya Shymanovich	Belarus	26.85
6	7	Yan Zibei	China	26.86	=AS
7	1	Michael Andrew	United States	26.93
	3	Fabio Scozzoli	Italy	DSQ