The men's 200 metre butterfly competition at the 2023 World Aquatics Championships was held on 25 and 26 July 2023.

Records Prior to the competition, the existing world and championship records were as follows.

Results Heats The heats were started on 25 July at 11:13.

Rank Heat Lane Name Nationality Time Notes 1 5 4 Tomoru Honda 1:54.21 Q 2 3 1 Arbidel González 1:54.99 Q, NR 3 4 6 Krzysztof Chmielewski 1:55.02 Q 4 5 2 Wang Kuan-hung 1:55.17 Q 5 5 6 Alberto Razzetti 1:55.35 Q 6 4 5 Carson Foster 1:55.36 Q 7 4 4 Léon Marchand 1:55.46 Q 8 5 3 Thomas Heilman 1:55.59 Q 9 3 6 Niu Guangsheng 1:55.69 Q 10 4 3 Teppei Morimoto 1:55.72 Q 11 3 7 Denys Kesil 1:55.75 Q 12 5 5 Noè Ponti 1:55.85 Q 13 3 5 Ilya Kharun 1:55.93 Q 14 3 3 Richárd Márton 1:56.03 Q 15 3 2 Lewis Clareburt 1:56.23 Q 16 5 1 Matthew Temple 1:56.51 Q, 17 4 2 Leonardo de Deus 1:56.79 Q 18 5 7 Federico Burdisso 1:56.86 19 3 4 Chen Juner 1:56.87 20 4 8 Martin Espernberger 1:57.36 21 4 1 Moon Seung-woo 1:57.79 22 5 8 Héctor Ruvalcaba 1:57.80 23 5 0 Sajan Prakash 1:58.07 24 4 7 Kregor Zirk 1:58.69 25 5 9 Yeziel Morales 1:59.10 26 2 4 Erick Gordillo 1:59.96 27 3 9 Abdalla Nasr 2:00.17 28 4 0 Jorge Otaiza 2:01.83 29 3 0 Navaphat Wongcharoen 2:03.05 30 2 5 Richard Nagy 2:03.33 31 2 6 Simon Bachmann 2:03.57 32 2 3 Diego Balbi 2:03.61 33 1 3 Raekwon Noel 2:05.65 NR 34 2 7 Gerald Hernández 2:07.28 35 2 1 Christian Jerome 2:08.54 NR 36 4 9 Hồ Nguyễn Duy Khoa 2:11.47 37 2 8 Ali Haidar 2:13.97 38 1 4 Mohamed Rihan Shiham 2:32.93 1 5 James Hendrix 2 2 Salem Sabt 3 8 Jaouad Syoud

Semifinals The semifinals were held on 25 July at 21:33.

Rank Heat Lane Name Nationality Time Notes 1 1 3 Carson Foster 1:53.85 Q 2 2 6 Léon Marchand 1:54.21 Q 3 2 1 Ilya Kharun 1:54.28 Q, NR 4 2 5 Krzysztof Chmielewski 1:54.36 Q 5 2 4 Tomoru Honda 1:54.43 Q 6 1 1 Richárd Márton 1:54.54 Q 7 1 6 Thomas Heilman 1:54.57 Q 8 1 5 Wang Kuan-hung 1:54.97 Q 9 2 3 Alberto Razzetti 1:55.00 10 1 2 Teppei Morimoto 1:55.36 11 1 7 Noè Ponti 1:55.44 12 1 4 Arbidel González 1:55.61 13 2 8 Lewis Clareburt 1:56.44 14 2 7 Denys Kesil 1:56.89 15 2 2 Niu Guangsheng 1:57.51 16 1 8 Leonardo de Deus 1:57.94

Final The final was held on 26 July at 20:53.

Rank Lane Name Nationality Time Notes 5 Léon Marchand 1:52.43 NR 6 Krzysztof Chmielewski 1:53.62 2 Tomoru Honda 1:53.66 4 1 Thomas Heilman 1:53.82 4 3 Ilya Kharun 1:53.82 NR 6 4 Carson Foster 1:54.74 7 7 Richárd Márton 1:55.02 8 8 Wang Kuan-hung 1:55.43

References