The women's 100m butterfly events at the 2020 World Para Swimming European Open Championships were held at the Penteada Olympic Pools Complex.

Medalists S9S10S13S14

Results S9 S10 S13 Final Rank Name Nationality Time Notes Carlotta Gilli 1:03.71 Daria Pikalova 1:05.33 Alessia Berra 1:05.83 4 Joanna Mendak 1:09.74 5 Ariadna Edo Beltrán 1:10.64 6 Róisín Ní Ríain 1:11.25 7 Marlene Endrolath 1:14.66

S14

References