| Spanish; Castilian: 13° Campeonato Sudamericano de Rugby | |
| Host: | Argentina |
| Champion: | Argentina |
| Runnerup: | Uruguay |
| Matches: | 6 |
| Countries: | |
| Preceded By: | 1981 |
| Succeeded By: | 1985 |
| Date: | 16–23 July 1983 |
See main article: South American Rugby Championship.
The 1983 South American Rugby Championship was the 13th edition of the competition of the leading national Rugby Union teams in South America.
The tournament was played in Buenos Aires and won by Argentina .
| width=165 | Team | width=40 | Played | width=40 | Won | width=40 | Drawn | width=40 | Lost | width=40 | For | width=40 | Against | width=40 | Difference | width=40 | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 3 | 0 | 0 | 118 | 15 | + 103 | 6 | ||||||||||
| 3 | 2 | 0 | 1 | 51 | 44 | + 7 | 4 | ||||||||||
| 3 | 1 | 0 | 2 | 33 | 83 | - 50 | 2 | ||||||||||
| 3 | 0 | 0 | 3 | 27 | 87 | - 60 | 0 |
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