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

The heats were started on 18 December at 10:26.[2]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	10	4	Ben Proud	Great Britain	20.91	Q
2	11	5	Thom de Boer	Netherlands	20.94	Q
3	10	8	Ryan Held	United States	21.01	Q
3	11	0	Joshua Liendo	Canada	21.01	Q, NR
5	10	5	Lorenzo Zazzeri	Italy	21.08	Q
6	11	8	Leonardo Deplano	Italy	21.33	Q
7	9	9	Ian Ho	Hong Kong	21.36	Q, NR
8	10	3	Jesse Puts	Netherlands	21.39	Q
9	7	4	Matej Duša	Slovakia	21.44	Q
9	8	3	Nicholas Lia	Norway	21.44	Q, NR
9	9	2	Daniel Zaitsev	Estonia	21.44	Q
9	10	6	Maxime Grousset	France	21.44	Q
13	9	4	Szebasztián Szabó	Hungary	21.46	Q
14	11	7	Daniil Markov	Russian Swimming Federation	21.50	Q
15	11	6	Michael Andrew	United States	21.52	Q
16	8	9	Abdelrahman Sameh	Egypt	21.53	Q
17	11	4	Vladimir Morozov	Russian Swimming Federation	21.54
18	9	6	Emre Sakçı	Turkey	21.55
19	9	3	Vladyslav Bukhov	Ukraine	21.59
20	10	7	Calum Bain	Ireland	21.61
21	9	5	Paweł Juraszek	Poland	21.68
22	10	2	Jasper Aerents	Belgium	21.70
23	8	2	Miguel Nascimento	Portugal	21.72
24	11	3	Simonas Bilis	Lithuania	21.74
25	8	4	Wang Changhao	China	21.78
25	8	7	Zhang Zhoujian	China	21.78
27	10	9	Nikola Miljenić	Croatia	21.79
28	7	2	Mikel Schreuders	Aruba	21.80	NR
29	10	0	Bradley Tandy	South Africa	21.87
30	7	8	Aleksey Tarasenko	Uzbekistan	21.91	NR
31	11	2	Yuri Kisil	Canada	21.93
32	9	7	Oussama Sahnoune	Algeria	21.96
33	9	8	Gabriel Santos	Brazil	21.98
34	9	1	Emir Muratović	Bosnia and Herzegovina	22.00
35	8	1	Kaloyan Bratanov	Bulgaria	22.05
35	10	1	Guido Buscaglia	Argentina	22.05
37	11	1	Julien Henx	Luxembourg	22.08
38	9	0	Alberto Mestre	Venezuela	22.16
39	8	5	Thomas Hallock	Switzerland	22.23
40	7	0	Nikolas Antoniou	Cyprus	22.33	NR
41	7	1	Lamar Taylor	Bahamas	22.38
42	8	6	Alexandr Varakin	Kazakhstan	22.40
43	7	6	Louis Ortiz	Puerto Rico	22.41
44	7	9	George Stoica-Constantin	Romania	22.43
45	8	8	Sina Gholampour	Iran	22.61
46	8	0	Mohammed Bedour	Jordan	22.72
47	7	5	Souhail Hamouchane	Morocco	22.81
48	7	3	Alaa Masoo	FINA Refugee Team	22.87
49	6	5	Adama Niane	Senegal	22.90
50	6	8	Nixon Hernández	El Salvador	23.22
51	6	6	Sidrell Williams	Jamaica	23.23
52	6	7	José Quintanilla	Bolivia	23.42
53	6	1	Gregory Anodin	Mauritius	23.46
54	6	3	Vladimir Mamikonyan	Armenia	23.54
55	6	4	Tendo Mukalazi	Uganda	23.56
56	6	0	Kerry Ollivierre	Grenada	23.58
57	5	5	Alassane Seydou	Niger	23.61
58	6	9	Miguel Mena	Nicaragua	23.79
59	1	3	Julio Rodríguez	Panama	23.85
60	1	5	Juhn Tenorio	Northern Mariana Islands	23.97
61	4	4	Alexander Shah	Nepal	24.07
62	5	6	Christian Nikles	Brunei	24.11
63	5	2	Belly-Cresus Ganira	Burundi	24.22
64	4	2	Yousef Al-Khulaifi	Qatar	24.23
65	5	3	Dalvi Elezi	Albania	24.24
65	5	4	Raphael Grand'Pierre	Haiti	24.24
67	2	0	Md Asif Reza	Bangladesh	24.28
68	5	1	Hilal Hemed Hilal	Tanzania	24.38
69	1	6	Eltonte Leonard	Saint Vincent and the Grenadines	24.52
70	5	8	Andrew Fowler	Guyana	24.58
71	5	0	Eloi Imaniraguha	Rwanda	24.60
72	4	6	Martin Muja	Kosovo	24.61
73	5	7	Jefferson Kpanou	Benin	24.65
74	2	5	Ahmed Al-Hasani	Iraq	24.74
75	5	9	Vasilije Andrić	Montenegro	24.90
76	2	3	Mahmoud Abu Gharbieh	Palestine	24.95
77	1	4	Mohamed Aan Hussain	Maldives	25.00
77	2	2	Terrel Monplaisir	Saint Lucia	25.00
79	4	3	Phansovannarun Montross	Cambodia	25.28	NR
80	2	9	Matt Savitz	Gibraltar	25.38
81	2	8	Rohan Shearer	Turks and Caicos Islands	25.47
82	4	5	Troy Pina	Cape Verde	25.61
83	3	4	Sangay Tenzin	Bhutan	26.29
84	3	3	Mamadou Bah	Guinea	26.48
85	4	8	Edgar Iro	Solomon Islands	26.52
86	2	7	Yann Douma	Republic of the Congo	26.73
87	4	7	Saddam Ramziyorzoda	Tajikistan	26.81
88	3	5	Shawn Dingilius-Wallace	Palau	27.10
88	4	0	Houssein Gaber Ibrahim	Djibouti	27.10
90	4	1	Joshua Wyse	Sierra Leone	27.12
91	3	7	Phillip Kinono	Marshall Islands	27.78
92	3	2	Achala Gekabel	Ethiopia	27.98
93	3	8	Hakim Youssouf	Comoros	28.05
94	3	1	Muhammad Moosa	Malawi	28.16
95	2	1	Ebrahim Al-Maleki	Yemen	28.32
96	3	0	Omar Darboe	Gambia	28.59
97	3	6	Adam Mpali	Gabon	28.71
98	1	7	Jolanio Guterres	Timor-Leste	32.33
99	2	4	Terence Tengue	Central African Republic	34.27
	1	2	Higinio Ndong Obama	Equatorial Guinea	DNS
	2	6	Loic Leenaerts	Togo
	3	9	Yves Munyu Kupiata	Democratic Republic of the Congo
	4	9	Souleymane Napare	Burkina Faso
	6	2	Danilo Rosafio	Kenya
	7	7	Colins Ebingha	Nigeria
	11	9	Mikkel Lee	Singapore

The semifinals were started on 18 December at 18:38.[3]

Rank	Heat	Lane	Name	Nationality	Time	Notes
1	2	5	Ryan Held	United States	20.81	Q
2	1	5	Joshua Liendo	Canada	20.88	Q, NR
3	2	4	Ben Proud	Great Britain	20.95	Q
4	1	4	Thom de Boer	Netherlands	20.98	Q
5	2	3	Lorenzo Zazzeri	Italy	21.02	Q
6	2	1	Szebasztián Szabó	Hungary	21.06	Q
7	1	7	Maxime Grousset	France	21.16	Q
8	2	6	Ian Ho	Hong Kong	21.22	Q, NR
9	1	3	Leonardo Deplano	Italy	21.27
10	1	1	Daniil Markov	Russian Swimming Federation	21.33
11	2	2	Matej Duša	Slovakia	21.38	NR
11	2	7	Daniel Zaitsev	Estonia	21.38	NR
13	1	6	Jesse Puts	Netherlands	21.41
14	1	8	Abdelrahman Sameh	Egypt	21.43
15	1	2	Nicholas Lia	Norway	21.44	=NR
16	2	8	Michael Andrew	United States	21.63

The final was held on 19 December at 19:06.[4]

Rank	Lane	Name	Nationality	Time	Notes
	3	Ben Proud	Great Britain	20.45
	4	Ryan Held	United States	20.70
	5	Joshua Liendo	Canada	20.76	NR
4	2	Lorenzo Zazzeri	Italy	20.94
5	6	Thom de Boer	Netherlands	21.07
6	1	Maxime Grousset	France	21.08
7	7	Szebasztián Szabó	Hungary	21.26
8	8	Ian Ho	Hong Kong	21.27