Swimming at the 2019 World Aquatics Championships – Men's 100 metre freestyle

The heats were held on 24 July at 10:15.[3]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	11	5	Caeleb Dressel	United States	47.32	Q
2	12	4	Vladislav Grinev	Russia	47.92	Q
3	11	4	Marcelo Chierighini	Brazil	47.95	Q
4	12	7	Clément Mignon	France	48.20	Q
5	12	3	Blake Pieroni	United States	48.31	Q
6	11	6	Nándor Németh	Hungary	48.36	Q
7	13	6	Breno Correia	Brazil	48.39	Q
8	13	3	Alessandro Miressi	Italy	48.57	Q
9	13	7	Clyde Lewis	Australia	48.63	Q
10	13	4	Kyle Chalmers	Australia	48.66	Q
11	13	2	Katsumi Nakamura	Japan	48.68	Q
	11	1	Shinri Shioura	Japan		Q
13	12	2	Mehdy Metella	France	48.71	Q
14	11	3	He Junyi	China	48.76	Q
	11	2	Pieter Timmers	Belgium		Q
16	13	8	Dylan Carter	Trinidad and Tobago	48.77	Q
17	12	0	Yuri Kisil	Canada	48.79
18	12	1	Santo Condorelli	Italy	48.80
19	11	0	Kacper Majchrzak	Poland	48.87
	11	8	Serhiy Shevtsov	Ukraine
21	11	9	Simonas Bilis	Lithuania	48.90
22	13	0	Markus Thormeyer	Canada	49.05
23	11	7	Oussama Sahnoune	Algeria	49.08
24	13	5	Vladimir Morozov	Russia	49.09
25	13	1	Kyle Stolk	Netherlands	49.20
26	10	8	Ali Khalafalla	Egypt	49.22
27	13	9	Bruno Blašković	Croatia	49.24
28	12	8	Marius Kusch	Germany	49.31
29	10	2	Yang Jae-hoon	South Korea	49.37
30	10	0	Cristian Quintero	Venezuela	49.40
31	2	7	Nils Liess	Switzerland	49.42
32	12	9	Velimir Stjepanović	Serbia	49.44
	8	8	Daniel Zaitsev	Estonia		NR
34	10	4	Khader Baqlah	Jordan	49.46
35	10	1	Emir Muratović	Bosnia and Herzegovina	49.59
	10	3	Mikel Schreuders	Aruba
37	10	5	Daniel Hunter	New Zealand	49.78
38	9	3	Meiron Cheruti	Israel	49.82
39	10	6	Renzo Tjon A Joe	Suriname	49.85
40	9	6	Darren Chua	Singapore	49.89
41	9	5	Artsiom Machekin	Belarus	49.90
42	8	7	Luke Gebbie	Philippines	49.94	NR
43	9	2	Ben Hockin	Paraguay	49.95
44	8	5	Ari-Pekka Liukkonen	Finland	49.98
	9	4	Miguel Nascimento	Portugal
46	7	8	Alexei Sancov	Moldova	50.05
47	9	2	Hüseyin Emre Sakçı	Turkey	50.24
48	7	2	Artur Barseghyan	Armenia	50.26
49	9	9	Vladimír Štefánik	Slovakia	50.27
50	10	7	Adil Kaskabay	Kazakhstan	50.34
51	8	3	Ian Ho Yentou	Hong Kong	50.38
52	8	1	Julien Henx	Luxembourg	50.43
53	8	0	Xander Skinner	Namibia	50.44	NR
	9	1	Niksa Stojkovski	Norway
55	8	6	Ioannis Georgarakis	Greece	50.48
56	7	3	Peter Wetzlar	Zimbabwe	50.50	NR
57	3	8	Waleed Abdulrazzak	Kuwait	50.63	NR
58	7	5	Isaac Beitia	Panama	50.66
59	10	9	Welson Sim	Malaysia	50.77
60	8	9	Horus Briseño	Mexico	50.80
61	8	2	Curtis Coulter	Ireland	50.86
62	7	7	Enzo Martínez	Uruguay	50.99
63	6	7	Mokhtar Al-Yamani	Yemen	51.16	NR
64	7	6	Gabriel Araya	Chile	51.34
65	7	4	Andrew Digby	Thailand	51.47
66	6	4	Benyamin Gharehassanloo	Iran	51.49
67	9	7	Lin Chien-liang	Chinese Taipei	51.65
	7	9	Jean-Luc Zephir	Saint Lucia
69	6	3	Jesse Washington	Bermuda	51.67
70	8	4	Triady Fauzi Sidiq	Indonesia	51.80
71	7	0	Jared Fitzgerald	Bahamas	51.88
72	6	5	Teimuraz Kobakhidze	Georgia	51.93
73	6	9	Noah Mascoll-Gomes	Antigua and Barbuda	52.12
	5	0	Netani Ross	Fiji
75	6	6	Miguel Mena	Nicaragua	52.20
76	6	8	Abdoul Niane	Senegal	52.26
77	5	1	Audai Hassouna	Libya	52.34
78	5	2	Jordan Crooks	Cayman Islands	52.36
79	7	1	Omiros Zagkos	Cyprus	52.44
80	5	3	Kledi Kadiu	Albania	52.53
	6	2	Jagger Stephens	Guam
82	6	1	Sam Seghers	Papua New Guinea	52.64
83	6	0	Danilo Rosafio	Kenya	52.66
84	2	0	Nixon Hernández	El Salvador	52.74
85	5	6	Delron Felix	Grenada	53.08
86	5	8	Syed Tariq	Pakistan	53.34	NR
87	5	4	Matt Galea	Malta	53.63
88	5	5	Issa Al-Adawi	Oman	53.81
89	4	4	Atuhaire Ambala	Uganda	53.89	NR
90	4	5	Noel Keane	Palau	54.10
91	1	4	Musa Zhalayev	Turkmenistan	54.14
92	3	1	Myagmaryn Delgerkhüü	Mongolia	54.43
93	4	3	Andrew Fowler	Guyana	54.72
94	1	3	Alex Joachim	Saint Vincent and the Grenadines	54.96
95	5	9	Theo Chiabaut	Monaco	54.99
96	2	3	Heriniavo Rasolonjatovo	Madagascar	55.22
97	2	6	Yellow Yeiyah	Nigeria	55.23
98	3	7	Christian Nikles	Brunei	55.33
99	5	7	Firas Saidi	Qatar	55.60
100	2	9	Daniel Christian	Eritrea	55.88
101	4	6	Kaleo Kihleng	Federated States of Micronesia	55.97
102	3	9	Alexander Shah	Nepal	56.28
103	4	2	Dren Ukimeraj	Kosovo	56.33
104	4	7	Billy-Scott Irakose	Burundi	56.45
105	2	2	Hem Puch	Cambodia	56.77
106	4	1	Finau Ohuafi	Tonga	57.45
107	3	0	Lennosuke Suzuki	Northern Mariana Islands	57.83
108	4	0	Mubal Ibrahim	Maldives	58.24	NR
109	3	3	Adama Ouedraogo	Burkina Faso	58.27
110	4	8	Alijon Khairulloev	Tajikistan	58.36
111	2	8	Mark Hoare	Eswatini	59.27
112	3	2	Albachir Mouctar	Niger	1:00.15
113	3	4	Edgar Iro	Solomon Islands	1:00.98
114	1	5	Guerby Ruuska	Haiti	1:01.04
115	3	6	Michael Swift	Malawi	1:02.55
116	4	9	Houssein Gaber	Djibouti	1:03.54
117	2	4	Hakim Youssouf	Comoros	1:05.48
118	2	1	Mamadou Bah	Guinea	1:05.54
119	2	5	Domingos da Silva	East Timor	1:06.71
120	3	5	Tenzin Sangay	Bhutan	1:07.28
	9	8	Khurshidjon Tursunov	Uzbekistan	DNS
	12	5	Duncan Scott	Great Britain
	12	6	Chad le Clos	South Africa

The semifinals were held on 24 July at 20:26.[4]

The final was held on 25 July at 20:22.[5]

Rank	Lane	Name	Nationality	Time	Notes
	4	Caeleb Dressel	United States	46.96	NR
	5	Kyle Chalmers	Australia	47.08
	6	Vladislav Grinev	Russia	47.82
4	2	Blake Pieroni	United States	47.88
5	3	Marcelo Chierighini	Brazil	47.93
6	1	Nándor Németh	Hungary	48.10	NR
7	7	Clément Mignon	France	48.43
8	8	Breno Correia	Brazil	48.90