The Ligue Européenne de Natation LEN is the governing body for women's Water polo in Europe.
It organises Three main Active club competitions : the LEN Euro League Women (formerly LEN European Cup), the Women's LEN Trophy, and the Women's LEN Super Cup.
The Italian side Orizzonte Catania have won a record total of 11 titles in LEN Women's Europe club competitions, two more than CN Sabadell from Spain.
The following table lists all the women's clubs that have won at least one LEN Europe club competition, and is updated as of April, 2022 (in chronological order).
The following table lists all the countries whose clubs have won at least one LEN competition, and is updated as of April, 2022 (in chronological order).