# Swimming at the 2011 World Aquatics Championships – Men's 200 metre butterfly

The men's 200 metre butterfly competition of the swimming events at the 2011 World Aquatics Championships was held on July 26 with the heats and the semifinals and July 27 with the final.

## Records

Prior to the competition, the existing world and championship records were as follows.
| | Name | Nation | Time | Location | Date |
| World record Championship record | Michael Phelps | United States | 1:51.51 | Rome | July 29, 2009 |

## Results
### Heats

40 athletes participated in 5 heats.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | 7 | Dinko Jukić | Austria | 1:55.26 | Q |
| 2 | 5 | 1 | Leonardo de Deus | Brazil | 1:55.55 | Q |
| 3 | 3 | 4 | Bence Biczó | Hungary | 1:55.71 | Q |
| 4 | 3 | 3 | Tyler Clary | United States | 1:55.95 | Q |
| 5 | 5 | 4 | Takeshi Matsuda | Japan | 1:55.98 | Q |
| 6 | 5 | 3 | Chen Yin | China | 1:56.23 | Q |
| 7 | 3 | 2 | Chad le Clos | South Africa | 1:56.37 | Q |
| 8 | 5 | 6 | László Cseh | Hungary | 1:56.39 | Q |
| 9 | 5 | 5 | Paweł Korzeniowski | Poland | 1:56.51 | Q |
| 10 | 3 | 7 | Marcin Cieślak | Poland | 1:56.56 | Q |
| 11 | 4 | 4 | Michael Phelps | United States | 1:56.77 | Q |
| 12 | 3 | 8 | Stefanos Dimitriadis | Greece | 1:56.82 | Q |
| 13 | 3 | 1 | Ioannis Drymonakos | Greece | 1:56.88 | Q |
| 14 | 3 | 5 | Kaio de Almeida | Brazil | 1:56.92 | Q |
| 15 | 4 | 3 | Wu Peng | China | 1:56.98 | Q |
| 16 | 3 | 6 | Michael Rock | Great Britain | 1:57.03 | Q |
| 17 | 5 | 8 | Sebastien Rousseau | South Africa | 1:57.15 | |
| 18 | 5 | 2 | Jayden Hadler | Australia | 1:57.17 | |
| 19 | 2 | 7 | Velimir Stjepanović | Serbia | 1:57.40 | NR |
| 20 | 4 | 5 | Ryusuke Sakata | Japan | 1:57.66 | |
| 21 | 2 | 3 | Robert Žbogar | Slovenia | 1:57.71 | NR |
| 22 | 4 | 6 | Nikolay Skvortsov | Russia | 1:57.85 | |
| 23 | 2 | 6 | Chang Gyu-Cheol | South Korea | 1:58.02 | |
| 24 | 4 | 7 | Joseph Roebuck | Great Britain | 1:58.20 | |
| 25 | 4 | 1 | Stefan Hirniak | Canada | 1:58.72 | |
| 26 | 4 | 8 | Hsu Chi-Chieh | Chinese Taipei | 1:59.33 | |
| 27 | 2 | 1 | Gal Nevo | Israel | 1:59.68 | |
| 28 | 2 | 4 | Duarte Mourao | Portugal | 1:59.81 | |
| 29 | 2 | 8 | Israel Duran | Mexico | 2:00.55 | |
| 30 | 2 | 5 | Omar Pinzón | Colombia | 2:00.79 | |
| 31 | 1 | 2 | Diego Castillo | Panama | 2:00.80 | |
| 32 | 4 | 2 | Travis Nederpelt | Australia | 2:00.98 | |
| 33 | 1 | 4 | Võ Thái Nguyên | Vietnam | 2:01.25 | |
| 34 | 2 | 2 | Jan Šefl | Czech Republic | 2:01.34 | |
| 35 | 1 | 8 | Hocine Haciane | Andorra | 2:04.14 | |
| 36 | 1 | 6 | Jessie Lacuna | Philippines | 2:04.23 | |
| 37 | 1 | 3 | Donny Utomo | Indonesia | 2:05.23 | |
| 38 | 1 | 5 | Hoàng Quý Phước | Vietnam | 2:05.42 | |
| 39 | 1 | 1 | Edwin Angjeli | Albania | 2:06.68 | |
| 40 | 1 | 7 | Rommie Benjamin | Dominican Republic | 2:06.75 | |

### Semifinals

The semifinals were held at 19.35.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Chen Yin | China | 1:54.80 | Q |
| 2 | 5 | Tyler Clary | United States | 1:56.01 | |
| 3 | 1 | Kaio de Almeida | Brazil | 1:56.06 | |
| 4 | 2 | Marcin Cieślak | Poland | 1:56.13 | |
| 5 | 6 | László Cseh | Hungary | 1:56.32 | |
| 6 | 4 | Leonardo de Deus | Brazil | 1:57.58 | |
| 7 | 7 | Stefanos Dimitriadis | Greece | 1:58.16 | |
| 8 | 8 | Michael Rock | Great Britain | 1:58.78 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Takeshi Matsuda | Japan | 1:54.30 | Q |
| 2 | 7 | Michael Phelps | United States | 1:54.85 | Q |
| 3 | 4 | Dinko Jukić | Austria | 1:54.94 | Q |
| 4 | 8 | Wu Peng | China | 1:55.28 | Q |
| 5 | 5 | Bence Biczó | Hungary | 1:55.35 | Q |
| 6 | 6 | Chad le Clos | South Africa | 1:55.56 | Q |
| 7 | 2 | Paweł Korzeniowski | Poland | 1:55.85 | Q |
| 8 | 1 | Ioannis Drymonakos | Greece | 1:57.77 | |

### Final

The final was held at 18:22.
| Rank | Lane | Name | Nationality | Time |
| | 3 | Michael Phelps | United States | 1:53.34 |
| | 4 | Takeshi Matsuda | Japan | 1:54.01 |
| | 2 | Wu Peng | China | 1:54.67 |
| 4 | 5 | Chen Yin | China | 1:55.00 |
| 5 | 1 | Chad le Clos | South Africa | 1:55.07 |
| 6 | 8 | Paweł Korzeniowski | Poland | 1:55.39 |
| 7 | 6 | Dinko Jukić | Austria | 1:55.48 |
| 8 | 7 | Bence Biczó | Hungary | 1:55.53 |