The 2005–06 FIBA EuroCup was the 3rd season of the FIBA EuroCup, the third-strongest pan-European club basketball competition. 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.