| Name | Between Years | Team |
|---|---|---|
| Rob Ackerman | 1980 - 1985 | Wales |
| Andy Allen | 1990 - 1990 | Wales |
| Hallam Amos | 2013 - 2021 | Wales |
| George Andrews | 1926 - 1927 | Wales |
| Chris Anthony | 1997 - 2003 | Wales |
| James Arlidge | 2007 - 2011 | Japan |
| Cliff Ashton | 1959 - 1962 | Wales |
| Len Attewell | 1921 - 1921 | Wales |
| Mel Baker | 1909 - 1910 | Wales |
| Stuart Barnes | 1984 - 1993 | England |
| Jim Bevan | 1881 - 1881 | Wales |
| Eddie Beynon | 1925 - 1925 | Wales |
| Roger Bidgood | 1992 - 1993 | Wales |
| Fred Birt | 1911 - 1913 | Wales |
| Reg Blakemore | 1947 - 1947 | Wales |
| George Boots | 1898 - 1904 | Wales |
| Arthur Boucher | 1892 - 1897 | Wales |
| Onllwyn Brace | 1956 - 1961 | Wales |
| Aled Brew | 2007 - 2012 | Wales |
| Nathan Brew | 2003 - 2003 | Wales |
| Trevor Brewer | 1950 - 1955 | Wales |
| Ronald Bridie | 1882 - 1882 | Wales |
| Gordon Britton | 1961 - 1961 | Wales |
| Archie Brown | 1921 - 1921 | Wales |
| Jon Bryant | 2003 - 2003 | Wales |
| Dai Burcher | 1977 - 1977 | Wales |
| Roy Burnett | 1953 - 1953 | Wales |
| Jon Callard | 1993 - 1995 | England |
| Matt Cardey | 2000 - 2000 | Wales |
| Alun Carter | 1991 - 1991 | Wales |
| Ben Carter | 2021 - 2024 | Wales |
| Luke Charteris | 2004 - 2017 | Wales |
| Tonderai Chavhanga | 2005 - 2008 | South Africa |
| Tom Clapp | 1882 - 1888 | Wales |
| Percy Coldrick | 1911 - 1912 | Wales |
| Ernie Coleman | 1949 - 1949 | Wales |
| Richie Collins | 1987 - 1995 | Wales |
| Andrew Coombs | 2013 - 2014 | Wales |
| Arthur Cornish | 1923 - 1926 | Wales |
| Bernard Cowey | 1934 - 1935 | Wales |
| Brian Cresswell | 1960 - 1960 | Wales |
| Sam Cross | 2017 - 2017 | Wales |
| Morgan Crowe | 1929 - 1934 | Ireland |
| Laurie Daniel | 1970 - 1970 | Wales |
| Bert Dauncey | 1896 - 1896 | Wales |
| Glynn Davidge | 1959 - 1962 | Wales |
| Brian Davies | 1962 - 1963 | Wales |
| Glyn R Davies | 1947 - 1951 | Wales |
| Graham Davies | 1921 - 1925 | Wales |
| Harold Davies | 1924 - 1924 | Wales |
| Mark Davis | 1991 - 1991 | Wales |
| Bert Day | 1930 - 1931 | Wales |
| Harry Day | 1892 - 1894 | Wales |
| Robert Dibble | 1906 - 1912 | England |
| Billy Dowell | 1907 - 1908 | Wales |
| Ben Edwards | 1951 - 1951 | Wales |
| Reginald Edwards | 1921 - 1925 | England |
| Bill Evans | 1882 - 1883 | Wales |
| Bob Evans | 1947 - 1951 | Wales |
| Cai Evans | 2023 - 2024 | Wales |
| Colin Evans | 1960 - 1960 | Wales |
| Gareth Evans | 1977 - 1978 | Wales |
| Jack Evans | 1907 - 1907 | Wales |
| John Evans | 1934 - 1934 | Wales |
| Matt Evans | 2008 - 2016 | Canada |
| Bill Everson | 1926 - 1926 | Wales |
| Taulupe Faletau | 2011 - 2023 | Wales |
| Tony Faulkner | 1975 - 1979 | Wales |
| Albert Fear | 1934 - 1935 | Wales |
| Horace Finlinson | 1895 - 1895 | England |
| Ian Ford | 1959 - 1959 | Wales |
| Jason Forster | 2004 - 2004 | Wales |
| Adrian Garvey | 1989 - 1993 | Zimbabwe |
| Adrian Garvey | 1996 - 1999 | South Africa |
| Billy Geen | 1912 - 1913 | Wales |
| Dai Gent | 1905 - 1910 | England |
| Glenn George | 1991 - 1991 | Wales |
| Andrew Gibbs | 1995 - 1997 | Wales |
| Samuel Goldsworthy | 1884 - 1885 | Wales |
| Ian Gough | 1998 - 2010 | Wales |
| Arthur Gould | 1885 - 1897 | Wales |
| Bert Gould | 1892 - 1893 | Wales |
| Bob Gould | 1882 - 1887 | Wales |
| Tom Graham | 1890 - 1895 | Wales |
| Des Greenslade | 1962 - 1962 | Wales |
| Oliver Griffiths | 2017 - 2017 | Wales |
| Vince Griffiths | 1924 - 1924 | Wales |
| John Gwilliam | 1947 - 1954 | Wales |
| Ian Hall | 1967 - 1974 | Wales |
| Ernie Hammett | 1920 - 1922 | England |
| Froude Hancock | 1886 - 1890 | England |
| Jack Hancock | 1955 - 1955 | England |
| Jim Hannan | 1888 - 1895 | Wales |
| Arthur Flowers (Boxer) Harding | 1902 - 1908 | Wales |
| George Harding | 1881 - 1883 | Wales |
| Theo Harding | 1888 - 1889 | Wales |
| Will Harries | 2010 - 2012 | Wales |
| George Hathway | 1924 - 1924 | Wales |
| Byron Hayward | 1998 - 1998 | Wales |
| Ron Herrera | 1925 - 1927 | Wales |
| George Hirst | 1912 - 1914 | Wales |
| Jehoida Hodges | 1899 - 1906 | Wales |
| Bill Hopkin | 1937 - 1937 | Wales |
| Peter Hordern | 1931 - 1934 | England |
| Shane Howarth | 1994 - 1994 | New Zealand |
| Shane Howarth | 1998 - 2000 | Wales |
| Dennis Hughes | 1967 - 1970 | Wales |
| Jack Hurrell | 1959 - 1959 | Wales |
| Harry Jarman | 1910 - 1911 | Wales |
| Keith Jarrett | 1967 - 1969 | Wales |
| John Jeffery | 1967 - 1967 | Wales |
| Ernie Jenkins | 1910 - 1910 | Wales |
| Jack Jenkins | 1906 - 1906 | Wales |
| Leighton Jenkins | 1954 - 1956 | Wales |
| Adam Jones | 2006 - 2006 | Wales |
| Bobby Jones | 1926 - 1926 | Wales |
| Brian Jones | 1960 - 1960 | Wales |
| Ceri Jones | 2007 - 2007 | Wales |
| Charles Jones | 1920 - 1920 | Wales |
| Dai L Jones | 1926 - 1927 | Wales |
| Jack Jones | 1908 - 1921 | Wales |
| Ken Jones | 1947 - 1957 | Wales |
| Matt Jones | 2005 - 2005 | Wales |
| Paul Baker Jones | 1921 - 1921 | Wales |
| Percy Jones | 1912 - 1914 | Wales |
| Peter Jones | 1992 - 1992 | Scotland |
| Ponty Jones | 1907 - 1907 | Wales |
| Ryan Jones | 2004 - 2013 | Wales |
| Steve Jones | 2001 - 2004 | Wales |
| Tom Jones | 1922 - 1924 | Wales |
| Tom Jones | 1882 - 1885 | Wales |
| Tuan Jones | 1913 - 1913 | Wales |
| Jason Jones-Hughes | 1999 - 2000 | Wales |
| Harry Jordan | 1885 - 1889 | Wales |
| Tom Judson | 1882 - 1883 | Wales |
| Robbie Kempson | 1998 - 2003 | South Africa |
| Stuart Lane | 1978 - 1980 | Wales |
| Viv Law | 1939 - 1939 | Wales |
| Victor Leadbetter | 1954 - 1954 | England |
| Danny Lee | 2002 - 2002 | New Zealand |
| Walter Legge | 1937 - 1938 | Wales |
| David Llewellyn | 1998 - 1999 | Wales |
| Willie Llewellyn | 1899 - 1905 | Wales |
| Barry Llewelyn | 1970 - 1972 | Wales |
| George Llewellyn Lloyd | 1896 - 1903 | Wales |
| Tom Lockwood | 1887 - 1887 | Wales |
| Hal Luscombe | 2003 - 2007 | Wales |
| Horace Lyne | 1883 - 1885 | Wales |
| Jan Machacek | 1994 - 2004 | Czech Republic |
| Haydn Mainwaring | 1961 - 1961 | Wales |
| Ossie Male | 1921 - 1928 | Wales |
| John Mantle | 1964 - 1964 | Wales |
| Andy Marinos | 2002 - 2003 | Wales |
| Walter Martin | 1912 - 1919 | Wales |
| Jack Matthews | 1947 - 1951 | Wales |
| Barney McCall | 1936 - 1936 | Wales |
| Duncan McGregor | 1907 - 1907 | Scotland |
| John McGregor | 1909 - 1909 | Scotland |
| Neil McPherson | 1920 - 1923 | Scotland |
| Bryn Meredith | 1954 - 1962 | Wales |
| Percy Montgomery | 1997 - 2008 | South Africa |
| Dr. Teddy Morgan | 1902 - 1908 | Wales |
| Harry Morgan | 1956 - 1956 | Wales |
| Kevin Morgan | 1997 - 2007 | Wales |
| Luke Morgan | 2018 - 2018 | Wales |
| Norman Morgan | 1960 - 1960 | Wales |
| Rhys Morgan | 1984 - 1984 | Wales |
| Tyler Morgan | 2015 - 2018 | Wales |
| Jack Morley | 1929 - 1932 | Wales |
| Bill Morris | 1965 - 1966 | Wales |
| Kevin Moseley | 1988 - 1991 | Wales |
| Matt Mostyn | 1999 - 1999 | Ireland |
| Jamie Murphy | 2017 - 2017 | Germany |
| Lyndon Mustoe | 1995 - 1998 | Wales |
| Luke Nabaro | 1997 - 1998 | Hong Kong |
| Charlie Newman | 1881 - 1887 | Wales |
| Gwyn Nicholls | 1896 - 1906 | Wales |
| Kyle Nichols | 1996 - 2002 | Canada |
| William Norton | 1882 - 1884 | Wales |
| Rhys Oakley | 2003 - 2003 | Wales |
| Steve Ojomoh | 1994 - 1998 | England |
| Garfield Owen | 1955 - 1956 | Wales |
| Harry Packer | 1891 - 1897 | Wales |
| Fred Parfitt | 1893 - 1896 | Wales |
| Richard Parks | 2002 - 2003 | Wales |
| Sam Parry | 2020 - 2023 | Wales |
| George Parsons | 1947 - 1947 | Wales |
| Birdie Partridge | 1903 - 1903 | South Africa |
| Harry Peacock | 1929 - 1930 | Wales |
| Edward Peak | 1881 - 1881 | Wales |
| Tom Pearson | 1891 - 1903 | Wales |
| Vic Perrins | 1970 - 1970 | Wales |
| Mike Petri | 2007 - 2015 | USA |
| Harry Phillips | 1927 - 1928 | Wales |
| Louis Phillips | 1900 - 1901 | Wales |
| Percy Phillips | 1892 - 1894 | Wales |
| Matt Pini | 1994 - 1995 | Australia |
| Matt Pini | 1998 - 2000 | Italy |
| Ken Plummer | 1969 - 1976 | England |
| Reg Plummer | 1912 - 1913 | Wales |
| Tom Pook | 1895 - 1895 | Wales |
| Alix Popham | 2003 - 2008 | Wales |
| Andy Powell | 2008 - 2012 | Wales |
| Dick Powell | 1888 - 1888 | Wales |
| Brian Price | 1961 - 1969 | Wales |
| Charlie Pritchard | 1904 - 1910 | Wales |
| Cliff Pritchard | 1904 - 1906 | Wales |
| Frank Purdon | 1881 - 1883 | Wales |
| William Radford | 1923 - 1923 | Wales |
| Simon Raiwalui | 1997 - 2006 | Fiji |
| Dicky Ralph | 1931 - 1932 | Wales |
| Billy Raybould | 1967 - 1970 | Wales |
| Arthur Rees | 1934 - 1938 | Wales |
| Gareth Rees | 1986 - 1999 | Canada |
| Peter Rees | 1961 - 1964 | Wales |
| Richard Rees | 1998 - 1998 | Wales |
| Tom Rees | 1935 - 1937 | Wales |
| Tom Roberts | 1921 - 1923 | Wales |
| Matthew Robinson | 1999 - 1999 | Wales |
| Bill Roche | 1920 - 1920 | Ireland |
| Peter Rogers | 1999 - 2000 | Wales |
| Gareth Rowlands | 1995 - 1996 | Canada |
| Stuart Roy | 1995 - 1995 | Wales |
| Matthew Screech | 2021 - 2024 | Wales |
| Tal Selley | 2005 - 2005 | Wales |
| Jerry Shea | 1919 - 1921 | Wales |
| Reg Skrimshire | 1899 - 1899 | Wales |
| Colin Smart | 1979 - 1983 | England |
| Franco Smith | 1997 - 1999 | South Africa |
| Richard Smith | 2000 - 2000 | Wales |
| Tommy Smyth | 1908 - 1912 | Ireland |
| Rod Snow | 1995 - 2007 | Canada |
| Robin Sowden-Taylor | 2005 - 2009 | Wales |
| Jeff Squire | 1977 - 1983 | Wales |
| Bert Stock | 1924 - 1926 | Wales |
| Bill (WE) Tamplin | 1947 - 1948 | Wales |
| Russell Taylor | 1937 - 1939 | Wales |
| Gary Teichmann | 1995 - 1999 | South Africa |
| Alan Thomas | 1963 - 1964 | Wales |
| Billy Thomas | 1961 - 1963 | Wales |
| Charlie Thomas | 1888 - 1891 | Wales |
| George Thomas | 1888 - 1891 | Wales |
| Justin Thomas | 1995 - 1997 | Wales |
| Malcolm Thomas | 1949 - 1959 | Wales |
| Rhys Thomas | 2006 - 2009 | Wales |
| Thomas Rhys Thomas | 2005 - 2008 | Wales |
| William Thomas | 1894 - 1895 | Wales |
| Edwin Thomas Maynard | 1904 - 1910 | Wales |
| John Thorne | 1963 - 1963 | England |
| Ofisa Tonu'u | 1992 - 1993 | Samoa |
| Ofisa Tonu'u | 1997 - 1998 | New Zealand |
| Bunner Travers | 1937 - 1949 | Wales |
| Twyber Travers | 1903 - 1911 | Wales |
| Len Trump | 1912 - 1912 | Wales |
| Andy Tuilagi | 2005 - 2014 | Samoa |
| Sione Tu'ipulotu | 1997 - 2008 | Tonga |
| Paul Turner | 1989 - 1989 | Wales |
| Dick Uzzell | 1963 - 1965 | Wales |
| Harry Uzzell | 1912 - 1920 | Wales |
| Tommy Vile | 1908 - 1921 | Wales |
| Mike Voyle | 1996 - 2000 | Wales |
| Aaron Wainwright | 2018 - 2024 | Wales |
| Phil Waller | 1908 - 1910 | Wales |
| David Waters | 1986 - 1986 | Wales |
| Billy Watkins | 1959 - 1959 | Wales |
| David Watkins | 1963 - 1967 | Wales |
| Matthew Watkins | 2003 - 2006 | Wales |
| Mike Watkins | 1984 - 1984 | Wales |
| Stuart Watkins | 1964 - 1970 | Wales |
| Wallace Watts | 1892 - 1896 | Wales |
| Jim Webb | 1888 - 1889 | Wales |
| Harry Wetter | 1912 - 1913 | Wales |
| Jack Wetter | 1914 - 1924 | Wales |
| Jack Whitfield | 1919 - 1924 | Wales |
| Geoff Whitson | 1956 - 1960 | Wales |
| Billy Williams | 1952 - 1953 | Wales |
| Brynmor Williams | 1978 - 1981 | Wales |
| Buller Williams | 1900 - 1901 | Wales |
| Gerald Williams | 1981 - 1982 | Wales |
| Jonnie Williams | 1906 - 1911 | Wales |
| Mapson Williams | 1923 - 1923 | Wales |
| Richard Williams | 1881 - 1881 | Wales |
| Stanley Williams | 1911 - 1911 | England |
| Peter Woodruff | 1951 - 1951 | England |
| John Wright | 1934 - 1934 | England |
| Tom Wright | 1960 - 1962 | England |
| Chris Wyatt | 1998 - 2003 | Wales |
| Gareth Wyatt | 1997 - 2003 | Wales |
| Paul Young | 2003 - 2003 | Wales |