Konkurrencen i 200m butterfly for mænd under OL 2008 blev afholdt 11. – 13. august.
Indledende Heats 1. Heat Bane Navn Nationalitet Tid Noter 3 Niksa Roki 1:59.58 5 Rehan Jehangir Poncha 2:01.89 4 Emmanuel Crescimbeni Peru 2:02.13 6 Javier Hernandez Maradiaga Honduras 2:02.23
2. Heat Bane Navn Nationalitet Tid Noter 5 Jb Walsh 1:59.39 1 Javier Nunez 2:00.24 7 Andres Jose Gonzalez 2:00.36 6 Jeongnam Yu Korea 2:01.00 8 Alexis Marquez Rivas Venezuela 2:01.25 3 Douglas Lennox-Silva Puerto Rico 2:01.69 4 Vladan Markovic 2:03.12 2 Donny Budiarto Utomo 2:03.44
3. Heat Bane Navn Nationalitet Tid Noter 2 Chi-Chie Hsu Kinesike Taipei 1:56.59 6 Pedro Oliveira 1:57.41 5 Simon Sjodin 1:57.75 8 Alon Mandel 1:59.27 3 Omar Pinzon 1:59.47 4 Jeremy Knowles Bahamas 2:01.08 7 Daniel Bego 2:01.28 1 Georgi Palazov 2:01.84
4. Heat Bane Navn Nationalitet Tid Noter 2 Laszlo Cseh 1:54.48 4 Pawel Korzeniowski 1:55.21 5 Moss Burmester 1:55.80 6 Dinko Jukic 1:55.96 1 Ioan Stefan Gherghel 1:56.09 7 Niccolo Beni 1:56.99 3 Denys Sylantiev 1:57.02 8 Adam Sioui 1:57.45
5. Heat Bane Navn Nationalitet Tid Noter 5 Peng Wu 1:55.39 4 Gil Stovall 1:55.42 7 Michael Rock 1:55.55 3 Ryuichi Shibata 1:55.82 6 Chen Yin 1:56.55 2 Christophe Lebon 1:56.63 1 Tamas Kerekjarto 1:57.29 8 Romanos Iasonas Alyfantis 1:57.99
6. Heat Bane Navn Nationalitet Tid Noter 4 Michael Phelps 1:53.70 OR 3 Kaio Almeida 1:54.65 6 Takeshi Matsuda 1:55.06 5 Nikolay Skvortsov 1:55.33 1 Sergii Advena 1:56.24 2 Travis Nederpelt 1:56.64 7 Mathieu Fonteyn 1:56.65 8 Juan Jose Veloz 1:57.32
Semifinaler 1. Semifinale Bane Navn Nationalitet Tid Noter 5 Takeshi Matsuda 1:54.02 KF AS 3 Nikolay Skvrtosov 1:54.31 KF 4 Laszlo Cseh 1:54.35 KF 2 Moss Burmester 1:55.26 KF 6 Gil Stovall 1:55.36 7 Dinko Jukic 1:55.65 1 Sergii Advena 1:56.64 8 Chi-Chie Hsu Kinesiske Taipei 1:57.48
2. Semifinale Bane Navn Nationalitet Tid Noter 4 Michael Phelps 1:53.70 KF 6 Peng Wu 1:54.93 KF 5 Kaio Almeida 1:55.21 KF 3 Pawel Korzeniowski 1:55.35 KF 8 Yin Chen 1:55.88 2 Michael Rock 1:55.90 7 Ryuichi Shibata 1:56.17 1 Ioan Stefan Gherghel 1:56.57
Finale Bane Navn Nationalitet Tid Noter 4 Michael Phelps 1:52.03 VR 6 Laszlo Cseh 1:52.70 ER 5 Takeshi Matsuda 1:52.97 AS 1 Moss Burmester 1:54.35 OC 2 Peng Wu 1:54.35 8 Pawel Korzeniowski 1:54.60 7 Kaio Almeida 1:54.71 3 Nikolay Skvortsov 1:55.14
200m Butterfly Mænd