| 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.
Rugby union football, commonly known simply as rugby union in English-speaking countries and rugby 15/XV in non-Anglophone Europe, or often just rugby, is a close-contact team sport that originated at Rugby School in England in the first half of the 19th century. Rugby is based on running with the ball in hand. In its most common form, a game is played between two teams of 15 players each, using an oval-shaped ball on a rectangular field called a pitch. The field has H-shaped goalposts at both ends.
The Men's Rugby World Cup is a rugby union tournament contested every four years between the top international teams, the winners of which are recognised as the World champions of the sport.
The Rugby Championship, formerly known as the Tri Nations Series (1996–2011), is an international rugby union competition contested annually by Argentina, Australia, New Zealand, and South Africa. These are traditionally the four highest ranked national teams in the Southern Hemisphere; the Six Nations is a similar tournament in the Northern Hemisphere.
World Rugby is the governing body for the sport of rugby union. World Rugby organises the Rugby World Cup every four years, the sport's most recognised and most profitable competition. It also organises a number of other international competitions, such as the World Rugby Sevens Series, the Rugby World Cup Sevens, the World Under 20 Championship, and the Pacific Nations Cup.
USA Rugby is the national governing body for the sport of rugby union in the United States. Its role is to achieve and maintain “high levels of quality in all aspects of rugby." USA Rugby is responsible for the promotion and development of the sport in the U.S., and promotion of U.S. international participation.
Rugby union in Australia has a history of organised competition dating back to the late 1860s. Although traditionally most popular in Australia's rugby football strongholds of New South Wales, Queensland and the ACT, it is played throughout the nation.
Rugby union in the United States is played at youth, high school, college, amateur, professional, and international levels and governed by USA Rugby. There were over 125,000 players registered with USA Rugby as of 2016. Over 2,500 rugby union clubs exist around the country, including those who are part of college rugby. Professional club competition has existed as Major League Rugby (MLR) since 2017.
The Brazil national rugby union team, nicknamed Tupis, is controlled by the Brazilian Rugby Confederation. Brazil is one of the founding unions of CONSUR and played in the inaugural South American tournament. Brazil has not qualified for a Rugby World Cup, but participated in the first edition of rugby 7s in the Olympics. Brazil currently ranks 4th in South America and 6th in the Americas region.
Queensland Country is an Australian rugby union football team that competed in the National Rugby Championship (NRC). The team is one of two Queensland sides in the competition, the other being Brisbane City. Queensland Country is organised and managed by the Queensland Rugby Union (QRU), with the coaching and training programs used at the Queensland Reds extended to players joining the team from the Reds, Premier and Country rugby teams.
The Australian Schoolboys & U18 rugby union team is the national team for schoolboy rugby union & U18 players in Australia. Considered to be the pinnacle of schoolboy & U18 rugby in Australia, the team plays in fixtures against other national representative schoolboy teams from around the world. Many players who have played in the Australian Schoolboys team have gone on to further representative careers with Super Rugby franchise teams and the Australian national rugby union team.
The National Women's Championship was the highest-tier competition of women's rugby union in Australia through the 2017 season. It was superseded as the top level of the women's sport by the new Super W competition from the 2018 season forward.
The Queensland Country Championships, also known as the Graincorp Country Championship, is a rugby union competition for teams from regions of Queensland outside of Brisbane. The Queensland Country Rugby Union administers the competitions at Senior and Colts levels. Eleven country sub-unions are grouped into three regional divisions in Northern, Central, and Southern Queensland for the championships.
The 1951 South American Rugby Championship was the first edition of the two tiered 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 1995 South American Rugby Championship was the 19th 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 2006 South American Rugby Championship was the 28th edition of the competition of the leading national Rugby Union teams in South America.
Rugby Europe is the administrative body for rugby union in Europe. It was formed in 1999 to promote, develop, organise, and administer the game of rugby in Europe under the authority of World Rugby. However, it is not responsible for the organisation of the Six Nations Championship or the competitions run by European Professional Club Rugby.