2010–11 LEN Women's Champions' Cup
The 2010–11 LEN Women's Champions' Cup was the 24th edition of the highest-level competition in women's European club water polo. It involved the champions and other top teams from European national leagues and ran from December 2010 to April 2011. The Final Four (semifinals, final, and third place game) took place in Sabadell, Spain.
Final Four host CN Sabadell became the first Spanish team to win the competition beating Orizzonte Catania in the final. Olympiacos CFP and Kinef Kirishi also reached the final Four, with Olympiacos ranking third, while defending champion Vouliagmeni OC was defeated by Orizzonte in the quarter-finals.