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 Italian clubs have won the most titles (25), ahead of clubs from Greece (15).

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).

Key

List of LEN women's club competition winners

Rk.	Club	Country	LEL	LET	LSC	Total
1	Orizzonte Catania	Italy	8	1	2	11
2	CN Sabadell	Spain	6		3	9
3	Olympiacos	Greece	3	1	2	6
4	NC Vouliagmeni	Greece	2	1	2	5
5	Kinef Kirishi	Russia	2	1	1	4
6	ZWV Nereus	Netherlands	3			3
=	Donk Gouda	Netherlands	3			3
=	SKIF Moscow	Russia	2	1		3
=	RN Imperia	Italy		2	1	3
10	ANO Glyfada	Greece	2			2
=	Ethnikos	Greece		2		2
=	Fiorentina	Italy	1		1	2
=	Pro Recco	Italy	1		1	2
=	Gifa Palermo	Italy		2		2
=	CC Ortigia	Italy		2		2
=	Racing Roma	Italy		2		2
=	Shturm Ruza	Russia		2		2
=	UVSE	Hungary		2		2
=	Dunaújváros	Hungary		1	1	2
=	Honvéd SE	Hungary		1	1	2
21	Brandenburg	Netherlands	1			1
=	Szentesi VK	Hungary	1			1
=	CN Mataró	Spain		1		1
=	Rapallo	Italy		1		1

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).

List of LEN women's club competition winners by country

Rk.	Nations	LEL	LET	LSC	Total
1	Italy	10	10	5	25
2	Greece	7	4	4	15
3	Spain	6	1	3	10
=	Russia	4	4	1	9
5	Netherlands	7			7
6	Hungary	1	4	2	7

• LEN Official Website.