# Swimming at the 2015 World Aquatics Championships – Men's 200 metre butterfly

The Men's 200 metre butterfly competition of the swimming events at the 2015 World Aquatics Championships was held on 4 August with the heats and the semifinals and 5 August with the final.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Michael Phelps (USA) | 1:51.51 | Rome, Italy | 29 July 2009 |
| Competition record | Michael Phelps (USA) | 1:51.51 | Rome, Italy | 29 July 2009 |

## Results
### Heats

The heats were held at 10:15.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | László Cseh | Hungary | 1:53.71 | Q |
| 2 | 3 | 3 | Viktor Bromer | Denmark | 1:54.47 | Q, NR |
| 3 | 4 | 4 | Daiya Seto | Japan | 1:55.60 | Q |
| 4 | 4 | 3 | Jan Świtkowski | Poland | 1:55.78 | Q |
| 5 | 2 | 5 | Leonardo de Deus | Brazil | 1:55.83 | Q |
| 6 | 2 | 3 | Tyler Clary | United States | 1:55.86 | Q |
| 7 | 4 | 5 | Masato Sakai | Japan | 1:55.97 | Q |
| 8 | 4 | 2 | David Morgan | Australia | 1:56.05 | Q |
| 9 | 3 | 5 | Tom Shields | United States | 1:56.12 | Q |
| 10 | 2 | 7 | Stefanos Dimitriadis | Greece | 1:56.23 | Q, NR |
| 11 | 3 | 7 | Sebastien Rousseau | South Africa | 1:56.29 | Q |
| 12 | 4 | 6 | Louis Croenen | Belgium | 1:56.33 | Q |
| 13 | 3 | 6 | Joseph Schooling | Singapore | 1:56.85 | Q |
| 14 | 2 | 4 | Chad le Clos | South Africa | 1:56.92 | Q |
| 14 | 2 | 6 | Grant Irvine | Australia | 1:56.92 | Q |
| 16 | 4 | 8 | Alexander Kunert | Germany | 1:57.28 | Q |
| 17 | 2 | 0 | Jan Šefl | Czech Republic | 1:57.63 | |
| 18 | 3 | 2 | Francesco Pavone | Italy | 1:57.69 | |
| 19 | 4 | 7 | Evgeny Koptelov | Russia | 1:58.06 | |
| 20 | 2 | 1 | Wang Pudong | China | 1:58.20 | |
| 21 | 4 | 1 | Quah Zheng Wen | Singapore | 1:58.32 | |
| 22 | 3 | 0 | Alexandru Coci | Romania | 1:58.43 | |
| 23 | 2 | 8 | Robert Žbogar | Slovenia | 1:58.55 | |
| 24 | 4 | 0 | Nils Liess | Switzerland | 1:58.76 | |
| 25 | 3 | 1 | Hao Yun | China | 1:59.04 | |
| 26 | 2 | 2 | Aleksandr Kudashev | Russia | 1:59.33 | |
| 27 | 3 | 9 | Gal Nevo | Israel | 1:59.45 | |
| 28 | 4 | 9 | Marcos Lavado | Venezuela | 1:59.85 | |
| 29 | 1 | 5 | Esnaider Reales | Colombia | 2:01.13 | |
| 30 | 3 | 8 | Nuno Quintanilha | Portugal | 2:01.46 | |
| 31 | 1 | 3 | Sajan Prakash | India | 2:01.63 | |
| 32 | 1 | 6 | Jessie Lacuna | Philippines | 2:03.84 | |
| 33 | 1 | 4 | Bradlee Ashby | New Zealand | 2:04.31 | |
| 34 | 2 | 9 | Hsu Chi-chieh | Chinese Taipei | 2:04.48 | |
| 35 | 1 | 2 | Ayman Kelzi | Syria | 2:04.60 | |
| 36 | 1 | 8 | Mihajlo Čeprkalo | Bosnia and Herzegovina | 2:05.64 | |
| 37 | 1 | 7 | Teimuraz Kobakhidze | Georgia | 2:06.19 | |
| 38 | 1 | 1 | Nouamane Batahi | Morocco | 2:07.54 | |
| 39 | 1 | 0 | Aldo Castillo | Bolivia | 2:15.38 | |
| 40 | 1 | 9 | Noah Al-Khulaifi | Qatar | 2:26.71 | |

### Semifinals

The semifinals were held on 4 August at 19:04.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | Chad le Clos | South Africa | 1:54.50 | Q |
| 2 | 4 | Viktor Bromer | Denmark | 1:54.82 | Q |
| 3 | 5 | Jan Świtkowski | Poland | 1:55.42 | Q |
| 4 | 7 | Louis Croenen | Belgium | 1:55.49 | Q |
| 5 | 2 | Stefanos Dimitriadis | Greece | 1:56.31 | |
| 6 | 3 | Tyler Clary | United States | 1:56.47 | |
| 7 | 8 | Alexander Kunert | Germany | 1:57.29 | |
| 8 | 6 | David Morgan | Australia | 1:58.83 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | László Cseh | Hungary | 1:53.53 | Q |
| 2 | 6 | Masato Sakai | Japan | 1:54.75 | Q |
| 3 | 5 | Daiya Seto | Japan | 1:54.95 | Q |
| 4 | 2 | Tom Shields | United States | 1:55.75 | Q |
| 5 | 3 | Leonardo de Deus | Brazil | 1:56.02 | |
| 6 | 1 | Joseph Schooling | Singapore | 1:56.11 | |
| 7 | 7 | Sebastien Rousseau | South Africa | 1:56.96 | |
| 8 | 8 | Grant Irvine | Australia | 1:57.94 | |

### Final

The final was held at 17:52.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | László Cseh | Hungary | 1:53.48 | |
| | 5 | Chad le Clos | South Africa | 1:53.68 | |
| | 7 | Jan Świtkowski | Poland | 1:54.10 | |
| 4 | 3 | Masato Sakai | Japan | 1:54.24 | |
| 5 | 6 | Viktor Bromer | Denmark | 1:54.66 | |
| 6 | 2 | Daiya Seto | Japan | 1:55.16 | |
| 7 | 1 | Louis Croenen | Belgium | 1:55.39 | NR |
| 8 | 8 | Tom Shields | United States | 1:56.17 | |