| Tournament details | |
|---|---|
| Host |  Brazil |
| Date | 16–20 August 1964 |
| Countries |  Argentina Brazil Chile Uruguay |
| Final positions | |
| Champions | Argentina |
| Runner-up | Brazil |
| Tournament statistics | |
| Matches played | 6 |
← 1961 1967 → | |
The 1964 South American Rugby Championship was the fourth edition of the competition of the leading national Rugby Union teams in South America.
The tournament was played in São Paulo, Brazil and was won by Argentina.