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.
The Chilean national rugby union team represents the Chilean Rugby Federation in men's international rugby union. Nicknamed Los Cóndores, they play in red and white jerseys. They are currently ranked 22nd in the World Rugby Rankings, making them the third highest-ranked nation in South America.
The Colombia national rugby union team is classified as a tier three nation by World Rugby. They have thus far not qualified for a Rugby World Cup, but have participated in qualifying tournaments. Colombia made their debut against Mexico in 1996. In 2018, the Colombians won their first significant international honour, winning the inaugural Americas Rugby Challenge, the 'B' championship to the Americas Rugby Championship.
The South American Rugby Championship refers to the continental rugby union championships for South America, organized by Sudamérica Rugby. The current name of the championships is South American Six Nations, implemented in 2018. Throughout history, South American Championships have also existed for lower divisions of the rugby union championships, as well as youth and women tournaments, and editions for rugby sevens.
Rugby union in Colombia is a minor but growing sport, with around 15,000 registered players and 80 rugby union clubs in Colombia. The Colombian national team is currently ranked 44th by World Rugby.
The Americas Rugby Championship, often informally called the Americas' Six Nations, was an annual international rugby tournament between six North and South American nations: Argentina, Brazil, Canada, Chile, the United States and Uruguay. Originally competed by various interlocking combinations of club, second-tier national and top national sides, the current international tournament has the top national sides competing. The current format provides these top national teams with additional test matches to be counted in the World Rugby Rankings.
Sudamérica Rugby, is the governing body for rugby union within South America and most of Central America. It was created on 14 October 1988 in Asunción on the initiative of Argentina, Brazil, Chile, Paraguay, and Uruguay, counting with a total of 16 unions.
The Argentina women's national rugby sevens team has been the second most successful team in South America after Brazil. At the CONSUR Women's Sevens, Argentina has been runner-up three times.
The Chilean Rugby Federation is the governing body for rugby union in Chile. The Federation is responsible for the various national teams representing Chile in international competitions. The Federation is a member of several international organizations, such as World Rugby, and Sudamérica Rugby. The Federation is led by President Francisco Davanzo Pumarino. The Federation includes over 18,000 players.
The Mar del Plata Sevens is an international rugby sevens competition played in Mar del Plata, Argentina since 1995. The tournament was one of the events in the World Rugby Sevens Series in 2000 and 2002.
The 2014 South American Junior Rugby Championship Division A was the first edition of the newly formatted South American Junior Rugby Championship for Under 19 national teams. It was held in Montevideo from September 14 to September 20. The top 4 nations of South America play the tournament.
Qualifying for the 2019 Rugby World Cup for the Americas began in March 2016, where across 3 years, 20 teams competed for two direct qualification spots into the final tournament, and one spot in the Repechage tournament. For qualification purposes, the two Americas regions Rugby Americas North and Sudamérica Rugby formed the Americas region to compete for the two Americas berths in the World Cup.
The 2017 Hong Kong Sevens was the 42nd edition of the Hong Kong Sevens tournament, and the seventh tournament of the 2016–17 World Rugby Sevens Series. The tournament was played on 7–9 April 2017 at Hong Kong Stadium in Hong Kong.
This is the qualifications of the 2018 Rugby World Cup Sevens – Women's tournament aimed at selecting women's Rugby sevens national teams that appeared in the finals in San Francisco. A total of 52 nations took part in the qualifying process.
The rugby sevens tournament at the 2018 Summer Youth Olympics was held from 13 to 15 October in Buenos Aires, Argentina.
The 2018 Sudamérica Rugby Sevens was the twelfth edition of the Sudamérica Rugby Sevens, the continental championship for rugby sevens in South America. Five national teams competed for two slots, not only for the 2018 Hong Kong Sevens qualification tournament, but also for participation at the 2018 Rugby World Cup Sevens.
Professor Esteban Meneses, is an Argentine rugby union head coach and former player. He is in charge of the Uruguayan national team.
Twelve teams qualified for men's rugby sevens at the 2020 Summer Olympics. Japan automatically qualified as host, with the top four teams of the 2018–19 World Rugby Sevens Series securing their spots. Afterwards, qualification was determined with each of the six continental confederations determining a representative, and the remaining qualification spot determined through an international sevens tournament.
The 2019 Sudamérica Rugby Sevens was the thirteenth edition of the Sudamérica Rugby Sevens, the continental championship for rugby sevens in South America. The competition took place as a series over two legs, the first tournament at Punta del Este in Uruguay, and the second at Viña del Mar in Chile.
Super Rugby Americas (SRA) is a franchise rugby union tournament format in the Americas that began its first season in February 2023 after efforts by World Rugby. It is organized and led by Sudamérica Rugby, the highest rugby entity in South America.
Argentina 
