Swimming at the 2018 European Aquatics Championships – Women's 100 metre freestyle
The Women's 100 metre freestyle competition of the 2018 European Aquatics Championships was held on 7 and 8 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 | Sarah Sjöström | 51.71 | Budapest | 23 July 2017 | |
| Championship record | Sarah Sjöström | 52.67 | Berlin | 20 August 2014 |
Results
Heats
The heats were started on 7 August at 09:00.Semifinals
The semifinals were started on 7 August at 17:11.Semifinal 1
Semifinal 2
Final
The final was started on 8 August at 16:43.| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Sarah Sjöström | 52.93 | |||
| 5 | Femke Heemskerk | 53.23 | |||
| 3 | Charlotte Bonnet | 53.35 | |||
| 4 | 2 | Freya Anderson | 53.61 | EJ | |
| 5 | 8 | Federica Pellegrini | 54.04 | ||
| 6 | 6 | Maria Kameneva | 54.07 | ||
| 7 | 7 | Marie Wattel | 54.52 | ||
| 8 | 1 | Signe Bro | 54.56 |