| Tournament details | |
|---|---|
| Host nation |  Uruguay |
| Date | 16–20 May 1981 |
| Countries |  Brazil  Chile  Paraguay Uruguay |
| Final positions | |
| Champions | Uruguay |
| Runner-up | Chile |
| Tournament statistics | |
| Matches played | 6 |
← 1979 1983 → | |
The 1981 South American Rugby Championship was the twelfth edition of the competition of the leading national Rugby Union teams in South America.
The tournament was played in Montevideo and won by Uruguay. Argentina didn't participate.
The Rugby Championship is an international rugby union competition contested annually by Argentina, Australia, New Zealand, and South Africa. These are the four highest ranked national teams in the Southern Hemisphere; the Six Nations is a similar tournament in the Northern Hemisphere.
The 2011 South American Rugby Championship "A" was the 33rd edition of the two tiered competition of the leading national rugby union teams in South America.
The 1964 South American Rugby Championship was the fourth edition of the competition of the leading national Rugby Union teams in South America.
The 1967 South American Rugby Championship was the fifth edition of the competition of the leading national Rugby Union teams in South America.
The 1969 South American Rugby Championship was the sixth edition of the competition of the leading national Rugby Union teams in South America.
The 1971 South American Rugby Championship was the seventh edition of the competition of the leading national Rugby Union teams in South America.
The 1973 South American Rugby Championship was the eighth edition of the competition of the leading national Rugby Union teams in South America.
The 1975 South American Rugby Championship was the ninth edition of the competition of the leading national Rugby Union teams in South America.
The 1977 South American Rugby Championship was the tenth edition of the competition of the leading national Rugby Union teams in South America.
The 1979 South American Rugby Championship was the eleventh edition of the competition of the leading national Rugby Union teams in South America.
The 1983 South American Rugby Championship was the 13th edition of the competition of the leading national Rugby Union teams in South America.
The 1985 South American Rugby Championship was the 14th edition of the competition of the leading national Rugby Union teams in South America.
The 1987 South American Rugby Championship was the 15th edition of the competition of the leading national Rugby Union teams in South America.
The 1989 South American Rugby Championship was the 16th edition of the competition of the leading national Rugby Union teams in South America.
The 1993 South American Rugby Championship was the 18th edition of the competition of the leading national Rugby Union teams in South America.
The 1997 South American Rugby Championship was the 20th edition of the competition of the leading national Rugby Union teams in South America.
The 1998 South American Rugby Championship was the 21st edition of the competition of the leading national Rugby Union teams in South America.
The 2001 South American Rugby Championship was the 23rd edition of the competition of the leading national Rugby Union teams in South America.
The 2003 South American Rugby Championship was the 25th edition of the competition of the leading national Rugby Union teams in South America.
The 2006 South American Rugby Championship was the 28th edition of the competition of the leading national Rugby Union teams in South America.