World Rugby is the world 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 rugby competitions, such as the World Rugby Sevens Series, the Rugby World Cup Sevens, the World Under 20 Championship, and the Pacific Nations Cup.
The Saint Lucia national rugby union team represents Saint Lucia in the sport of rugby union. Saint Lucia have thus far not played in a Rugby World Cup, but have participated in qualifying tournaments. They are classed as a tier-three nation by the International Rugby Board (IRB).
The Eswatini national rugby union team represent Eswatini in the sport of rugby union. They are ranked as a tier-three nation by the International Rugby Board (IRB). Eswatini have thus far not qualified for a Rugby World Cup, but have competed in qualifying tournaments.
The British Virgin Islands national rugby union team represents the British Virgin Islands in international rugby union. The nation are a member of the International Rugby Board (IRB) and have yet to play in a Rugby World Cup tournament. The British Virgin Islands played their first international in 1996 – losing to Barbados 17 – 0.
The Burundi national rugby union team represents Burundi in international rugby union. The nation are a member of the International Rugby Board (IRB) and have yet to play in a Rugby World Cup tournament. The Burundi national rugby team played their first international in 2003 - losing to Uganda. They participate annually in the CAR Castel Beer Trophy. However, in the 2007 tournament Burundi withdrew for financial reasons.
The Mali national rugby union team represents Mali in international rugby union. Mali are a member of the International Rugby Board (IRB), and have yet to play in a Rugby World Cup. The Mali national rugby team played their first international against Benin in 2003, winning the match. They also defeated Senegal that season. In 2005, Mali made history, by winning their first northern section crown of the CAR Castel Beer Trophy. The popularity of the sport of rugby in Mali is on the rise.
The Mauritania national rugby union team represents Mauritania in international rugby union. Mauritania are a member of the International Rugby Board (IRB), and have yet to play in a Rugby World Cup tournament. The Mauritania national rugby team played their first ever international against Ghana in 2003, with Ghana winning the game 29 points to 8.
The Mongolian national rugby union team represents Mongolia in international rugby union play. Mongolia is a member of the International Rugby Board (IRB), and has yet to play in a Rugby World Cup. The Mongolian Rugby Football Union (MRFU), which governs the sport of rugby in the country, was established in 2003.
The Pakistan national rugby union team represents Pakistan in international rugby union. Pakistan is a member of the International Rugby Board (IRB), and have yet to play in a Rugby World Cup tournament. As of 2021, they will play in Division II of the Asian championships, having been promoted from Division III in 2019.
The Togo national rugby union team represents Togo in international rugby union. Togo are a member of the International Rugby Board (IRB), and have yet to play in a Rugby World Cup tournament. Togo played their first international in 2001, losing to Nigeria. They won their first match in 2003, defeating Mauritania.
Rugby union in the Bahamas is a minor, but relatively successful sport. They are currently ranked 86th in the International Rugby Board's world rankings. There are fewer than one thousand registered athletes in the country and only seven official IRB sanctioned teams.
Rugby union in American Samoa is a growing sport.
Rugby union in Moldova is a popular sport. The governing body in Moldova is the Moldovan Rugby Federation.
Rugby union in Barbados is a minor, but relatively successful sport. There are fewer than 1700 registered rugby union players in Barbados and only five official IRB sanctioned teams. The governing body for rugby union in Barbados is the Barbados Rugby Football Union, and their headquarters is located in Wildey, St. Michael.
Rugby union in Cambodia is a minor but growing sport. Its governing body is the Cambodian Federation of Rugby.
Rugby union in Laos is a minor but growing sport.
The Laos women's national rugby union team is a national sporting side that represents Thailand in women's rugby union. They first played international sevens rugby in 2007 at the South East Asia sevens, where they finished third. They then played a ten-a-side international against Cambodia in 2009, and in 2010 they won a non-test match developmental tournament involving Thailand and the Philippines. Their first full test was against Thailand in 2011.
The Papua New Guinea Rugby Football Union, or Rugby PNG is the governing body for rugby union in Papua New Guinea. It was established in 1962 and was affiliated to the International Rugby Board in 1993.
The Vanuatu Rugby Football Union, or VRFU, is the governing body for rugby union in Vanuatu. It was established in the 1960s, but only became fully affiliated to the International Rugby Board (IRB) in 1999.
The Solomon Islands Rugby Union Federation, or SIRUF, is the governing body for rugby union in Solomon Islands. It was established in the 1960s, but only became fully affiliated to the International Rugby Board (IRB) in 1999.
34 - 10 
Laos 
7 - 70 
Guam 
