Pencampwriaeth Gwyddbwyll Cymru

Sefydlwyd Pencampwriaeth Gwyddbwyll Cymru yn 1955 gan Undeb Gwyddbwyll Cymru.

{| class="sortable wikitable"
! Blwyddyn !! Pencampwr y Dynion !! Pencampwraig y Menywod
|-
| 1955
| Arthur S. Griffiths
| Beryl E. F. Kenyon
|-
| 1956
| Brian Peter Bourne
| Beryl E. F. Kenyon
|-
| 1957
| M. E. Wise, Grahame F. Barnard
| N. Budzinski
|-
| 1958
| Brian V. Douthwaite
| N. Budzinski, Maria MacLean
|-
| 1959
| Donald A. Curtis
| align=center | heb ei gynnal
|-
| 1960
| Pat J. Bennett
| align=center | heb ei gynnal
|-
| 1961
| Pat J. Bennett, John Denley Mills
| Maria MacLean
|-
| 1962
| Arthur O. Jones, W. D. Newcombe
| align=center | heb ei gynnal
|-
| 1963
| George P. Moore
| E. Shirley Mann
|-
| 1964
| Graham H. Chesters
| Zbyzska Southall
|-
| 1965
| D. I. W. Reynolds
| E. Shirley Mills (née Mann), C. Beryl Williams
|-
| 1966
| David John Sully
| Zbyzska Southall
|-
| 1967
| Colin Gilbert
| Zbyzska Southall
|-
| 1968
| Arthur Howard Williams, Mikhail Gavrilovik
| Zbyzska Southall
|-
| 1969
| Mikhail Gavrilovik
| Zbyzska Southall, Hazel Brunker
|-
| 1970
| Mikhail Gavrilovik, Graham H. Chesters
| Hazel Brunker
|-
| 1971
| Arthur Howard Williams
| Hazel Brunker
|-
| 1972
| Arthur Howard Williams
| Hazel Brunker
|-
| 1973
| John Trevelyan, Stuart James Hutchings,George Botterill, Moss McCarthy
| Hazel Brunker
|-
| 1974
| Arthur Howard Williams
| Mary Elizabeth Davies
|-
| 1975
| Arthur Howard Williams
| Beryl Briscombe
|-
| 1976
| John Grantley Cooper, Emmanuel M. Rayner
| Jane Garwell
|-
| 1977
| Arthur Howard Williams, John Grantley Cooper
| Deborah Evans
|-
| 1978
| John Grantley Cooper, Arthur Howard Williams
| Jane Garwell
|-
| 1979
| John Trevelyan, David John Sully
| Deborah Evans
|-
| 1979-80
| Arthur Howard Williams
| Jane Garwell
|-
| 1980-1
| Arthur Howard Williams
| Jane Garwell, Gaynor Diane James
|-
| 1981-2
| Arthur Howard Williams
| Jane Anson, Hazel Brunker
|-
| 1982-3
| Stephen Collin James, Iolo Ceredig Jones,Paul A. Lamford, Arthur Howard Williams
| Jane Garwell
|-
| 1983-4
| John Grantley Cooper
| Lynda Annette Powell
|-
| 1984-5
| John Grantley Cooper
| Hazel Brunker
|-
| 1986
| Arthur Howard Williams
| Lynda Annette Powell
|-
| 1987
| Arthur Howard Williams, Moss McCarthy
| Diane Adams
|-
| 1988
| Arthur Howard Williams, Paul A. Lamford
| Lynda Annette Powell
|-
| 1989
| Paul A. Lamford
| Lynda Annette Powell
|-
| 1990
| Charles F. Morris, P. O'Neill, Stuart J. Hutchings
| Donna Furmage, A. K. Griffiths
|-
| 1991
| Arthur Howard Williams, Andrew R. Jones
| Deborah Cooper (née Evans), Jane Garwell
|-
| 1992
| John Grantley Cooper
| Jane Richmond (née Garwell)
|-
| 1993
| John Grantley Cooper, Arthur Howard Williams
| Jane Richmond (née Garwell)
|-
| 1994
| John Grantley Cooper, Arthur Howard Williams
| Jane Richmond (née Garwell)
|-
| 1995
| John Grantley Cooper
| Jane Richmond (née Garwell)
|-
| 1996
| John Grantley Cooper
| Jane Garwell
|-
| 1997
| David H. Cummings
| Amanda John
|-
| 1998
| David H. Cummings, Andrew Dyce, Sven Zeidler, Gareth Morris
| Julie Wilson
|-
| 1999
| James Cobb
| Beryl Hughes
|-
| 2000
| Leighton Williams
| Deborah Evans-Quek (née Evans)
|-
| 2001
| James Cobb
| align=center | heb ei gynnal
|-
| 2002
| Richard S. Jones
| Abigail Cast
|-
| 2003
| Richard S. Jones
| Deborah Evans-Quek
|-
|-
| 2004
| Suan Evans-Quek
| Jane Richmond (née Garwell)
|-
| 2005
| Leighton Williams
| Olivia Smith
|-
| 2006
| John Trevelyan
| Abigail Cast
|-
| 2007
| James Cobb
| Abigail Cast
|-
| 2008
| Leighton Williams, James Cobb
| Suzy Blackburn
|-
| 2009
| Ioan Rees, Richard S. Jones
| Olivia Smith, Suzy Blackburn
|-
| 2010
| Richard S. Jones
| Olivia Smith
|-
| 2011
| Arthur Howard Williams, Sven Zeidler
| Olivia Smith
|-
| 2012
| Tim Kett, Richard S. Jones
| Suzy Blackburn
|-
| 2013
| Richard S. Jones
| Syringa Camp, Stephanie Du Toit
|-
| 2014
| Tim Kett
| Olivia Smith
|-
| 2015
| James Cobb
| Lynda Roberts (née Powell)
|-
|-
| 2016
| Timothy Kett
| Julie Van Kemenade
|-
| 2017
| Allan J. Pleasants 
| Imogen Camp, Shayanna Sivarajasingam, Venetia Sivarajasingam 
|-
| 2018
| Gerry Heap, David Jameson, Sven Zeidler
| Venetia Sivarajasingam
|-
| 2019
| Timothy Kett
| Imogen A. L. Camp
|-
| 2022
| Jose Camacho Collados
| Lynda Roberts 
|-
| 2023
| Daniel Kozusek
| Lynda Roberts
|-
| 2024
| Daniel KOzusek
| Olivia Smith
|-
|}

 Pencampwyr gwyddbwyll Gohebu 

WCCA (1963-1999)

 M. Jones (1965-1966)
 M. Jones (1966-1967)
 M. Jones (1967-1968)
 F. Waite (1968-1969)
 F. Cunnane (1969-1970)
 T. Jones (1970-1971)
 F. Cunnane (1971-1972)
 J. Lang (1972-1973)
 F. Cunnane (1973-1974) 
 David Vaughan (1974-1975)
 T. Jones (1975-1976)
 David Vaughan (1976-1977)
 C. Wills (1977-1978)
 David Vaughan (1978-1979)
 David Vaughan (1979-1980)
 David Vaughan (1980-1981)
 Charles Morris (1981-1982)
 David Vaughan (1982-1983)
 D. Jones (1983-1984)
 D. Jones (1984-1985)
 Stuart Hutchings (1985-1986)
 David Vaughan (1986-1987)
 R. Davies (1987-1988)
 John Coleby (1988-1989)
 John Coleby (1989-1990)
 John Coleby (1990-1991)
   (1990-1991)
 Jason Garcia (1991-1992)
 Anthony Baker (1992-1993)
 Glyn Sinnett (1993-1994)
 Anthony Baker (1995-1996)
 David James (1996-1997)
 David Phillips (1997-1998)
 David Phillips (1998-1999)

WCCF (2012-...)

 Helen Sherwood (2017-2018)   1.Pencampwriaeth gohebiaeth
 Russell Sherwood (2019-2020)   2.Pencampwriaeth gohebiaeth
 Jonathan Blackburn (2021-2022)   3.Pencampwriaeth gohebiaeth
 William Bishop (2022-2024)   4.Pencampwriaeth gohebiaerth
Dolenni Allanol
Gêmau Pencampwriaeth Gwyddbwyll Cymru 2011 i gyd ar gemaugwyddbwyll.com 
Gêmau Pencampwriaeth Gwyddbwyll Cymru 2010 i gyd ar gemaugwyddbwyll.com 
Gêmau Pencampwriaeth Gwyddbwyll Cymru 2009 i gyd ar gemaugwyddbwyll.com 
Gêmau Pencampwriaeth Gwyddbwyll Cymru 2008 i gyd ar gemaugwyddbwyll.com 

Categori:Gwyddbwyll yng Nghymru
Gwyddbwyll
Categori:Sefydliadau 1955