Swimming at the 2018 European Aquatics Championships – Men's 50 metre butterfly
The Men's 50 metre butterfly competition of the 2018 European Aquatics Championships was held on 6 and 7 August 2018.
Records
Prior to the competition, the existing world and championship records were as follows.| Name | Nation | Time | Location | Date | |
| World record European record | Andriy Govorov | 22.27 | Rome | 1 July 2018 | |
| Championship record | Andriy Govorov | 22.73 | London | 16 May 2016 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 7 August | Final | Andriy Govorov | 22.48 | CR |
Results
Heats
The heats were started on 6 August at 10:09.Swim-off
The swim-off was held on 6 August at 11:34.| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Sergii Shevtsov | 23.45 | Q | |
| 2 | 4 | Nikita Korolev | 23.60 |
Semifinals
The semifinals were started on 6 August at 17:41.Semifinal 1
Semifinal 2
Final
The final was started on 7 August at 16:50.| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Andriy Govorov | 22.48 | CR | ||
| 5 | Ben Proud | 22.78 | |||
| 8 | Oleg Kostin | 22.97 | NR | ||
| 4 | 3 | Kristian Golomeev | 23.19 | ||
| 5 | 7 | Andrea Vergani | 23.34 | ||
| 6 | 1 | Nyls Korstanje | 23.38 | ||
| 7 | 6 | Damian Wierling | 23.46 | ||
| 8 | 2 | Konrad Czerniak | 23.49 |