Swimming at the 2017 World Aquatics Championships – Men's 200 metre butterfly

The Men's 200 metre butterfly competition at the 2017 World Championships was held on 25 and 26 July 2017.

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

Heats
The heats were held on 25 July at 10:12.

Semifinals
The semifinals were held on 25 July at 19:04.

Final
The final was held on 26 July at 18:01.