1991 South American Rugby Championship
| Date | 15 August– 1 October 1991 |
|---|---|
| Countries | Argentina Brazil Chile Paraguay Uruguay |
| Final positions | |
| Champions | Argentina |
| Runner-up | Uruguay |
| Tournament statistics | |
| Matches played | 10 |
← 1989 1993 → | |
The 1991 South American Rugby Championship was the 17th edition of the competition of the leading national rugby union teams in South America.
For the first time, the tournament was not played in a host country, but in different venues in each country participating.