See main article: Swimming at the 2018 Mediterranean Games.
| Event: | Women's 100 metre butterfly |
| Games: | 2018 Mediterranean Games |
| Dates: | 23 June |
| Venue: | Campclar Aquatic Center |
| Location: | Tarragona, Spain |
| Competitors: | 17 |
| Nations: | 11 |
| Win Value: | 57.59 |
| Gold: | Elena Di Liddo |
| Gold Nation: | ITA |
| Silver: | Farida Osman |
| Silver Nation: | EGY |
| Bronze: | Anna Ntountounaki |
| Bronze Nation: | GRE |
| Prev: | 2013 |
| Next: | 2022 |
The women's 100 metre butterfly competition at the 2018 Mediterranean Games was held on 23 June 2018 at the Campclar Aquatic Center.[1]
Prior to this competition, the existing world and Mediterranean Games records were as follows:
| World record | 55.48 | Rio de Janeiro, Brazil | 7 August 2016 | ||
| Mediterranean Games record | 58.63 | Mersin, Turkey | 22 June 2013 |
The following records were established during the competition:
| Date | Event | Name | Nationality | Time | Record | |
|---|---|---|---|---|---|---|
| 23 June | Heats | 57.97 | GR | |||
| 23 June | Final | 57.59 | GR |
The heats were held at 10:06.
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 2 | 4 | Elena Di Liddo | Q, GR | |||
| 2 | 3 | 4 | Marie Wattel | Q | |||
| 3 | 2 | 5 | Kristel Vourna | Q | |||
| 4 | 2 | 6 | Amina Kajtaz | Q, NR | |||
| 5 | 3 | 5 | Anna Ntountounaki | Q | |||
| 6 | 1 | 4 | Farida Osman | 1:00.10 | Q | ||
| 7 | 1 | 3 | Aleyna Özkan | 1:00.27 | Q | ||
| 8 | 1 | 5 | Claudia Tarzia | 1:00.31 | Q | ||
| 9 | 2 | 3 | Ana Monteiro | 1:00.42 | |||
| 10 | 2 | 2 | Tara Vovk | 1:01.02 | |||
| 11 | 3 | 6 | Anja Klinar | 1:01.10 | |||
| 12 | 3 | 2 | Aina Hierro | 1:01.77 | |||
| 13 | 1 | 2 | Celeste Guerrero | 1:03.36 | |||
| 14 | 1 | 6 | Inês Fernandes | 1:04.34 | |||
| 15 | 3 | 7 | Beatrice Felici | 1:04.17 | |||
| 16 | 2 | 7 | Nesrine Medjahed | 1:04.77 | |||
| 17 | 1 | 7 | Samar Kacha | 1:06.21 | |||
| 3 | 3 | Viktoriya Zeynep Güneş |
The final was held at 18:08.[2]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | Elena Di Liddo | 57.59 | GR | |||
| 7 | Farida Osman | 58.51 | ||||
| 2 | Anna Ntountounaki | 58.78 | ||||
| 4 | 5 | Marie Wattel | 58.98 | |||
| 5 | 3 | Kristel Vourna | 59.48 | |||
| 6 | 6 | Amina Kajtaz | 59.87 | |||
| 7 | 8 | Claudia Tarzia | ||||
| 8 | 1 | Aleyna Özkan |