Internationals who have played for Llanelli RFC from 2003 onwards.
| Name | Between Years | Team |
|---|---|---|
| Josh Adams | 2018 - 2024 | Wales |
| Jake Ball | 2014 - 2021 | Wales |
| James Bater | 2003 - 2003 | Wales |
| Neil Boobyer | 1993 - 1999 | Wales |
| Ben Broster | 2005 - 2005 | Wales |
| Lee Byrne | 2005 - 2011 | Wales |
| Uzair Cassiem | 2016 - 2017 | South Africa |
| Vernon Cooper | 2002 - 2003 | Wales |
| Aled Davies | 2017 - 2019 | Wales |
| Barry Davies | 2006 - 2006 | Wales |
| Gareth Davies | 2014 - 2024 | Wales |
| John Davies | 1991 - 1998 | Wales |
| Jonathan Davies | 2009 - 2022 | Wales |
| Dom Day | 2015 - 2015 | Wales |
| Bruce Douglas | 2002 - 2006 | Scotland |
| Simon Easterby | 2000 - 2008 | Ireland |
| Ryan Elias | 2017 - 2024 | Wales |
| Dan Evans | 2009 - 2009 | Wales |
| Garan Evans | 1998 - 2003 | Wales |
| Gavin Evans | 2006 - 2006 | Wales |
| Steffan Evans | 2017 - 2019 | Wales |
| Ernie Finch | 1924 - 1928 | Wales |
| Luke Hamilton | 2017 - 2018 | Scotland |
| Kieran Hardy | 2020 - 2024 | Wales |
| Josh Hathaway | 2024 - 2024 | Wales |
| Dave Hodges | 1996 - 2004 | USA |
| Pila Iongi | 2011 - 2016 | Tonga |
| Eddie James | 2024 - 2024 | Wales |
| WillGriff John | 2021 - 2021 | Wales |
| Mark Jones | 2001 - 2009 | Wales |
| Rhodri Jones | 2012 - 2022 | Wales |
| Stephen Jones | 1998 - 2011 | Wales |
| Wyn Jones | 2017 - 2023 | Wales |
| Tavis Knoyle | 2010 - 2013 | Wales |
| Jim Lang | 1931 - 1937 | Wales |
| Samson Lee | 2013 - 2020 | Wales |
| Emyr Lewis | 1991 - 1996 | Wales |
| Hottie Louw | 2002 - 2002 | South Africa |
| Josh Macleod | 2022 - 2022 | Wales |
| Martyn Madden | 2002 - 2003 | Wales |
| Deacon Manu | 2009 - 2012 | Fiji |
| Sililo Martens | 1998 - 2009 | Tonga |
| Kemsley Mathias | 2023 - 2024 | Wales |
| Robin McBryde | 1994 - 2005 | Wales |
| Rob McCusker | 2010 - 2013 | Wales |
| Ben Morgan | 2012 - 2015 | England |
| Luke Morgan | 2018 - 2018 | Wales |
| Tyler Morgan | 2015 - 2018 | Wales |
| Kirby Myhill | 2021 - 2021 | Wales |
| George North | 2010 - 2024 | Wales |
| Harri O'Connor | 2024 - 2024 | Wales |
| Ken Owens | 2011 - 2023 | Wales |
| Maselino Paulino | 2008 - 2015 | Samoa |
| Dwayne Peel | 2001 - 2011 | Wales |
| Mike Phillips | 2003 - 2015 | Wales |
| Rhys Priestland | 2011 - 2022 | Wales |
| Tom Prydie | 2010 - 2018 | Wales |
| Richie Pugh | 2005 - 2005 | Wales |
| Horatiu Pungea | 2012 - 2015 | Romania |
| Lou Reed | 2012 - 2013 | Wales |
| Joe Roberts | 2023 - 2024 | Wales |
| Martin Roberts | 2008 - 2009 | Wales |
| Harry Robinson | 2012 - 2013 | Wales |
| Tom Rogers | 2021 - 2023 | Wales |
| Mahonri Schwalger | 2000 - 2011 | Samoa |
| Javan Sebastian | 2021 - 2024 | Scotland |
| Aaron Shingler | 2012 - 2020 | Wales |
| Morgan Stoddart | 2007 - 2011 | Wales |
| Michael Tagicakibau | 2007 - 2011 | Fiji |
| John Thiel | 1998 - 2008 | Canada |
| Gareth Thomas | 2021 - 2024 | Wales |
| Gavin Thomas | 2001 - 2010 | Wales |
| Iestyn Thomas | 2000 - 2007 | Wales |
| Nathan Thomas | 1996 - 1998 | Wales |
| Rhys Thomas | 2006 - 2009 | Wales |
| Sione Timani | 2008 - 2012 | Tonga |
| Josh Turnbull | 2011 - 2021 | Wales |
| Tomas Vallejos Cinalli | 2011 - 2013 | Argentina |
| Adam Warren | 2012 - 2012 | Wales |
| Liam Williams | 2012 - 2024 | Wales |
| Owen Williams | 2017 - 2023 | Wales |
| Rhodri Williams | 2013 - 2014 | Wales |
| Scott Williams | 2011 - 2019 | Wales |
| Chris Wyatt | 1998 - 2003 | Wales |