| Tournament details | |
|---|---|
| Host |  Colombia |
| Date | 21–27 September 2003 |
| Countries |  Brazil Colombia Peru Venezuela |
| Final positions | |
| Champions | Venezuela |
| Runner-up | Brazil |
| Tournament statistics | |
| Matches played | 6 |
← 2002 2004 → | |
The 2003 South American Rugby Championship "B" was the fourth edition of the competition of the second level national Rugby Union teams in South America.
The tournament was played in Bogota, with four team participating.
Venezuela won for the first time the tournament, winning the direct match with Peru. Every team won at least one match. Brazil participate after lost, against Paraguay, the preliminary round for participating the 2003 "A" championship