| 2003 Copa Nissan Sudamericana de Clubes 2003 Copa Nissan Sul-americana do Clubes | |
|---|---|
| Tournament details | |
| Dates | July 29 - December 19 |
| Teams | 35 (from 10 associations) |
| Final positions | |
| Champions |  Cienciano (1st title) |
| Runners-up |  River Plate |
| Tournament statistics | |
| Matches played | 64 |
| Goals scored | 164 (2.56 per match) |
| Top scorer(s) | Germán Carty (6) |
← 2002 2004 → | |
The 2003 Copa Nissan Sudamericana was the second edition of CONMEBOL's new international club tournament. It was won by Peruvian club Cienciano, who won the first international trophy for their club and the country. They also qualified to play in the 2004 Recopa Sudamericana.