2005–06 FIBA EuroCup

It was the first season of the competition under the new name EuroCup which is now used for the formerly known ULEB Cup.

A total number of 32 teams from 20 countries participated in competition.

The season finished with the EuroCup Final Four, which was held in Kyiv, Ukraine.

Joventut Badalona won the cup after defeating BC Khimki 88–63 in the final.

The winner of each series advanced to the 2006 EuroCup Final Four, which was held in Kyiv.