| Tournament details | |
|---|---|
| Host | |
| Venue | Estadio del CASI, San Isidro |
| Dates | 16–23 July 1983 |
| Countries | |
| Final positions | |
| Champions | |
| Runner-up | |
| Tournament statistics | |
| Matches played | 6 |
← 1981 1985 → | |
The 1983 South American Rugby Championship was the 13th edition of the competition of the leading national rugby union teams in South America.
All the matches were played in Estadio del CASI in San Isidro, home venue of Club Atlético San Isidro. Argentina was the winner of the competition.

Standings
Results
Source: Archived 2012-10-15 at the Wayback Machine Page of IRB - South American Championship 1983
- First round
- Second round
- Third round
References
- Union Argentina de Rugby (December 1983). "MEMORIA Temporada año 1983" (PDF) (in Spanish). Archived from the original (.pdf) on 1 November 2012. Retrieved 7 June 2013.