| 2005 Copa Nissan Sudamericana de Clubes 2005 Copa Nissan Sul-americana do Clubes | |
|---|---|
| Tournament details | |
| Dates | August 16 - December 18 |
| Teams | 34 (from 12 associations) |
| Final positions | |
| Champions |  Boca Juniors (2nd title) |
| Runners-up |  UNAM |
| Tournament statistics | |
| Matches played | 66 |
| Goals scored | 184 (2.79 per match) |
| Top scorer(s) | Bruno Marioni (7) |
The 2005 Copa Sudamericana, also known as the 2005 Copa Nissan Sudamericana de Clubes for sponsorship reasons, was the 4th edition of the international football cup competition played annually by clubs of CONMEBOL, and starting with this edition invited teams from CONCACAF. Boca Juniors successfully defended the Sudamericana trophy, winning the tournament for the second time.