The Namibia national rugby union team represents Namibia in men's international rugby union competitions nicknamed the Welwitschias, are a tier-two nation in the World Rugby tier system, and have participated in seven Rugby World Cup competitions since their first appearance in 1999. They are governed by the Namibia Rugby Union.
The Romania national rugby union team represents Romania in men's international rugby union competitions. Nicknamed Stejarii, the team is long considered one of the stronger European teams outside the Six Nations. They have participated in all but one Rugby World Cup and currently compete in the first division of the European Nations Cup, which they won in 2017. Rugby union in Romania is administered by the Romanian Rugby Federation.
The Serbia men's national football team represents Serbia in men's international football competition. It is controlled by the Football Association of Serbia, the governing body for football in Serbia.
The Tonga national rugby union team represents the Tonga Rugby Union in men's international rugby union. The team is nicknamed ʻIkale Tahi . Like their Polynesian neighbours, the Tongans start their matches with a traditional challenge – the Sipi Tau. They are members of the Pacific Islands Rugby Alliance (PIRA) along with Fiji and Samoa. The Ikale Tahi achieved a historic 19–14 victory over France in the 2011 Rugby World Cup, but having lost to New Zealand and Canada, were unable to achieve what would have been their first-ever presence at the quarter-finals.
The United States men's national rugby union team, nicknamed the Eagles, represents the United States of America Rugby Football Union in men's international rugby union. USA Rugby is the national governing body for the sport of rugby union in the United States, and is a member of Rugby Americas North, one of six regional governing bodies under World Rugby. Until rugby returned to Olympic competition, with sevens at the 2016 Rio Games, the United States was the reigning Olympic rugby champion, having won gold at the 1920 and 1924 Summer Olympics.
The Canada men's national rugby union team represents the Canada in men's international rugby union competitions. They are overseen by Rugby Canada the governing body of rugby union in Canada.
The Uruguay national rugby union team, nicknamed Los Teros, represents the Uruguayan Rugby Union in men's international rugby union. One of the older test sides in the world, Uruguay has qualified five times for the Rugby World Cup, in 1999, 2003, 2015, 2019 and most recently 2023. As of 10 July 2023 they are ranked 17th in the world, and are ranked 2nd in the Americas region, behind rivals Argentina.
The Spain national rugby union team, nicknamed Los Leones, represents the Spanish Rugby Federation in men's international rugby union competitions. The team annually takes part in the European Nations Cup, the highest European rugby championship outside the Six Nations. The national side is ranked 20th in the world.
The Portugal national rugby union team, nicknamed Os Lobos, represents Portugal in men's international rugby union competitions. The team, as well as all rugby union in Portugal, is administered by the Federação Portuguesa de Rugby.
The Malta national rugby union team are governed by the Malta Rugby Football Union (MRFU). Although Malta has yet to qualify for the Rugby World Cup, the island state has made remarkable progression since its first international in 2000.
The Switzerland national rugby union team represents Switzerland in men's international rugby union competitions. Nicknamed The White Flowers (Edelweiss), is considered one of the stronger tier 3 teams in European rugby and currently compete in the second division of the Rugby Europe International Championships in the Rugby Europe Trophy, a competition which is just below the Rugby Europe Championship where the top 6 countries in Europe compete. They are yet to participate in any Rugby World Cup and often play in all red while their alternative kit is all white.
The Cyprus national rugby union team is nicknamed ‘’The Mighty Mouflons’’ after a kind of horned sheep which is also the republic's national animal. They have won 28 of their 30 games and hold the world record for the most consecutive international rugby union wins with 24, which was ended on 15 November 2014 as they lost to Latvia. They were controversially disqualified from the knock-out phase of the 2015 Rugby World Cup Qualifiers, as they did not meet the necessary membership criteria according to the International Rugby Board.
The International Rugby Board (IRB) awarded the 2007 Under 19 Rugby World Championship to the Irish Rugby Football Union (IRFU) and the Ulster branch hosted it. The Tournament, which took place in Belfast, Northern Ireland from 4–21 April, was split into two divisions of twelve teams. Division A games took place in Belfast at Belfast Harlequins' Deramore Park, Ulster Rugby's Ravenhill Stadium, and Cooke RFC/Instonians' Shaw's Bridge complex. Division B games were held in Queen's University of Belfast's The Dub complex and Malone RFC's Gibson Park in Belfast, and Bangor RFC's Upritchard Park in Bangor.
The Serbia national under-19 football team is the national under-19 football team of Serbia and is controlled by the Football Association of Serbia. The team is considered the successor to the Serbia and Montenegro national under-19 football team, which in turn was the successor to the Yugoslavia national under-19 football team.
The Yugoslavia national rugby union team used to represent Yugoslavia at Rugby union until the 1990s.
The Serbia women's national football team represents Serbia in international women's football competitions and is controlled by the Football Association of Serbia.
Rugby union in Croatia is a minor sport. As of August 2011, they are ranked fiftieth in the World Rugby's world rankings.
Rugby union in Serbia is a minor but growing sport. The game was first played in Belgrade after the first World War and was revived again in the 1950s. Serbia currently has 12 rugby clubs and around 2,000 players.
Rugby union in Yugoslavia was a moderately popular sport. It was most popular in the Croatian SR, and to a lesser extent in the Serbian and Slovenian SRs, with some presence in the Bosnian SR as well.
Rugby union in Montenegro is a minor but growing sport. The game has only recently been developed in the country since its independence in 2006. The governing body is the Montenegrin Rugby Union which was accepted as a member of Rugby Europe at the 2014 convention held in Split, Croatia. It is affiliated with World Rugby since 2024.
Serbia 8–3 British Colonies 
Serbia 62–0 Montenegro 
Germany 108–0 Serbia 
