This page is part of the WikiProject on Rugby union and provides a list of known fully professional leagues, and tier one and tier two nations. As such it can be used as an aide in considering the WP:ATHLETE guideline, which states that athletes that have 'competed at the fully professional level of a sport' are generally notable.

• Anglo-Welsh Cup
• European Rugby Champions Cup
• European Rugby Challenge Cup
• Super Rugby
• United Rugby Championship

•  Australia - Australian Rugby Championship (2007) and National Rugby Championship (2014–2019)
•  England - English Premiership and RFU Championship (2009–)
•  France - Top 14 and Pro D2
•  Japan - Japan Rugby League One (formerly Top League)
•  New Zealand - Bunnings NPC (previously National Provincial Championship, Air New Zealand Cup, ITM Cup and Mitre 10 Cup)
•  South Africa - Currie Cup Premier Divison

• (none)

The following professional leagues are currently not considered notable by the WikiProject:

• European Rugby Continental Shield
• Global Rapid Rugby (2018–2020)
• Major League Rugby
• Rugby Europe Super Cup
• Súper Liga Americana de Rugby

•  France - Championnat Fédéral Nationale
•  Italy - Top10
•  Japan - Top Challenge League (until 2021)
•  Portugal - Campeonato Português de Rugby
•  Romania - SuperLiga
•  Russia - Russian Rugby Championship
•  South Africa - Currie Cup First Division, Vodacom Cup (1998–2015) and Rugby Challenge
•  Spain - División de Honor de Rugby

• Super Rugby Aupiki
• Super W

•  Argentina (1910–present)
•  Australia (1899–present)
• British and Irish Lions (1888–present)
•  Canada (1932–present)
•  England (1871–present)
•  Fiji (1924–present)
•  France (1906–present)
•  Georgia (at Rugby World Cups in 2003, 2007, 2011 and 2015 and from 2016–present)
•  Ireland (1875–present)
•  Italy (1929–present)
•  Japan (1932–present)
•  Namibia (at Rugby World Cups in 1999, 2003, 2007, 2011 and 2015 and from 2016–present)
•  New Zealand (1903–present)
•  Romania (1919–present)
•  Samoa (1924–present)
•  Scotland (1871–present)
•  South Africa (1891–present)
•  Tonga (1924–present)
•  United States (1912–present)
•  Uruguay (at Rugby World Cups in 1999, 2003 and 2015 and from 2016–present)
•  Wales (1881–present)

•  Ivory Coast (1995)
•  Portugal (2007)
•  Spain (1999)
•  Russia (2011 and 2019)
•  Zimbabwe (1987 and 1991)

No tier ranking exists so based upon appearances at the world cup as for men's third tier teams

•  Australia (2010)
•  Canada (1998, 2002, 2006, 2014)
•  England (1991, 1994, 1998, 2002, 2006, 2010, 2014, 2017)
•  France (1991, 1994, 2002, 2006, 2010, 2014, 2017)
•  Ireland (2014)
•  New Zealand (1991, 1998, 2002, 2006, 2010, 2017)
•  United States (1991, 1994, 1998, 2017)
•  Wales (1994)