The men's 200 metre breaststroke competition at the 2023 World Aquatics Championships was held on 27 and 28 July 2023.
Prior to the competition, the existing world and championship records were as follows.
The following new records were set during this competition.
The heats were started on 27 July at 11:28.
The semifinals were held on 27 July at 20:43.
The final will start on 28 July at 21:24.
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