Club Deportivo Ilunion, formerly known as Club Deportivo Fundosa ONCE, is a wheelchair basketball team based in Madrid, Spain.

Since its first season, the club played in División de Honor thanks to achieving the league berth of CD ONCE Andalucía.

[1] Fundosa ONCE is the most prolific team in the Spanish wheelchair basketball.

In 1997, the club won the IWBF Champions Cup, its biggest achievement until repeating the feat in 2015 and 2016 respectively.

[2] Two years later, Ilunion won its second IWBF Champions Cup after beating in the final RSV Lahn-Dill by 71–45.