Swimming at the 2018 European Aquatics Championships – Men's 100 metre freestyle
The Men's 100 metre freestyle competition of the 2018 European Aquatics Championships was held on 4 and 5 August 2018.Records
Prior to the competition, the existing world and championship records were as follows.
| Name | Nation | Time | Location | Date |
| World record | César Cielo | | 46.91 | Rome | 30 July 2009 |
| European record | Alain Bernard | | 47.12 | Rome | 29 July 2009 |
| Championship record | Alain Bernard | | 47.50 | Eindhoven | 22 March 2008 |
Results
Heats
The heats were started on 4 August at 09:30.Semifinals
The semifinals were held on 4 August at 17:24.Semifinal 1
Semifinal 2
Final
The final was held on 5 August at 17:20.
| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Alessandro Miressi | | 48.01 | |
| 2 | Duncan Scott | | 48.23 | |
| 5 | Mehdy Metella | | 48.24 | |
| 4 | 3 | Vladislav Grinev | | 48.36 | |
| 5 | 1 | Luca Dotto | | 48.45 | |
| 6 | 6 | Nándor Németh | | 48.55 | |
| 7 | 7 | Sergii Shevtsov | | 48.74 | |
| 8 | 8 | Bruno Blašković | | 49.02 | |
