The Welsh National Bowls Championships is organised by Welsh Lawn Bowls (WLB) which was formed in 2023 as an amalgamation of the Welsh Bowling Association and Welsh Women's Bowling Association. The first national championships were held in 1919.

The singles title was originally called the Cadle Cup named after P.C Cadle who presented the WBA with the cup.

Past winners Men's singles YearChampion Runner-upRef1919 J P Williams (Grange)W. Tucker (Splott)1920 T J Jones (Llanbradach)W. J. Davies (Roath Park)1921 H Burbridge (Cadoxton)Teddy Jones (Abertillery)1922 Teddy Jones (Abertillery)J. Pratt (Victoria Park Cardiff)1923 Percy Holloway (Barry Athletic) J. C. Hitt (Bridgend)1924 C. G. K. Penn (Penylan)Frank O'Donnell (Mackintosh)1925 W. McAllister (Bridgend) G. H. Norris (Grange)1926 J. F. Williams (Cadoxton)W. H. Green (Belle Vue)1927 W. H. Green (Belle Vue)J. Lewis (Penygraig)1928 H. R. Rees (Howard Gardens)D. J. Squires (Pantygwydr)1929 H. R. Edwards (Rhiwbina) Bert Macey (Whitchurch)1930 C. Cecil (Pontnewynydd) W. H. Clarke (Newport Athletic)1931 A. Reynolds (Six Bells) P. H. Rowlands (Llwynypia)1932 Stan Weaver (Swansea)Stan Cecil (Pontypool Park)1933 Emrys Rees (Llwynypia) S. C. Parr (Penylan)1934 Percy Holloway (Bargoed)E. Jones (Richmond)1935 Len Hill (GKB)E. Williams (Pontypridd)1936 Edgar Thomas (Bargoed)S. R. Lathey (Windsor)1937 Alfred Thomas (Dafen) C. Colley (Windsor)1938 Teddy Jones (Abertillery)A. Rees (Melyn United)1939 W Rees (Pontrhydyfen)O. L. Parry (Windsor)1940Teddy Jones (Abertillery)D. T. Williams (Sketty)1941 T. Williams (Tonypandy)H. M. Chapman (Lysaghts)1942 T. Williams (Tonypandy)W. J. Moore (Splott)1943 W. J. Bowen (Merthyr WE)S. Davies (Waunarlwydd)1944 R. Pettit (Bedwellty)J. F. Britton (Porthcawl)1945 Wilf John (Rhymney Gwent)Alfred Thomas (Dafen)1946 W. McCombe (Newbridge) T. Warren (Llwynypia)1947 C. Weager (Oakdale)H. Stradling (Treherbert)1948 J. Rodway (Ebbw Vale)C. Conway (Spoltt)1949 Evan Rees (Brynhyfryd Neath)A. S. Gwilliam (Cardiff)1950 Alfred Thomas (Dafen)E. Evans (Rhymney Gwent)1951 Albert Evans (Abergavenny)W. Rees (Pontrhydyfen)1952 Harry Pearson (Sketty) T. C. Morris (Penylan)1953 Teddy Jones (Abertillery)Alfred Thomas (Dafen)1954 A. T. Evans (Tonypandy) Rhys Bowen (Beaufort)1955 William Glyn John (Parc Wern)Cliff Beer (Bridgend)1956 Cliff Standfast (Newport Athletic)Albert Ivett (RTB Landore)1957 Bernie Williams (Pontymister Welfare)T.G. Thomas (Pontrhydyfen)1958 R. D. Roberts (RTB Landore) F. Leamon (Caldicot)1959 Llew Rees (Tyrfran)S. Standfast (Newport Athletic)1960 R. D. Roberts (RTB Landore) L.C. Williams (Penarth)1961 Albert Evans (Abergavenny) Clifford Evans (Gelli Park)1962 A. Thomas (Llanelli) Gareth Humphreys (Barry Athletic)1963 Lynn Probert (Abergavenny) B. Jones (Llanelli)1964 Bert Roan (Penarth) T. Medd (West End)1965 Ron Smith (Aberkenfig)L. Andrews (Cardiff)1966 W. Brown (Sketty Church)S. Gould (Senghenydd)1967 J. Pipe (Panteg House) Maldwyn Evans (Gelli Park)1968 V. King (Aberdare Park)J. Pipe (Panteg House)1969 Des Morgan (Ammanford)I. Phillips (Alcoa)1970 Paul Wright (Aberystwyth) John Morgan Evans (Gelli Park)1971 Danny Price (Ammanford)R. Williams (Newcastle Emlyn)1972 Steve Evans (Brynhyfryd Carms)D. Palmer (Penclawdd)1973 Rod Hugh (Tyrfran)E. Evans (Saundersfoot)1974 Les Hughes (Rhiwbina)John Russell Evans (Barry Athletic) 1975 R. B. Thomas (Cwmbran Park)D. Cooke (Senghenydd)1976 John Russell Evans (Barry Athletic)Teare Docton (Merthyr West End)1977 John Russell Evans (Barry Athletic) Dai Wilkins (Pontrhydyfen)1978 Spencer Wilshire (Tonypandy) P. Bailey (Llanelli)1979 David Cook (Senghenydd) G. Robinson (Ynysybwl)1980 Edgar Thomas (Talgarth)D. Poole (Saundersfoot)1981 John Colwill (BFS Combine) D. Cook (Senghenydd)1982 Robert Price (Brynmawr)H. Guy (Tenby)1983 Dai Wilkins (Pontrhydyfen)Neil Mallard (Abergavenny)1984 Mal Goss (Ogmore Vale)Paul Mullins (Gilfach Bargoed)1985 A. Evans (Aberystwyth)Alan McCarley (Gorseinon)1986 Paul Mullins (Gilfach Bargoed) J. King (Penylan)1987 Robert Price (Brynmawr) Barry Fleming (Machynlleth)1988 John Ellis (St. Fagans)Steve Evans (Guest Memorial)1989 Pat Toogood (Bridgend) Robert Weale (Presteigne)1990 Will Thomas (Pontrhydyfen) Robert Treherne (Llanbradach)1991 Rod Hugh (Parc Howard)Will Thomas (Pontrhydyfen)1992 Mark Chard (Harlequins) Richard Bowen (Cardigan)1993 Ron Rowlands (Llandrindod Wells) John Price (Aberavon)1994 Alan McCarley (Brynhyfryd Carms)Ray Davies (St. Gabriel's)1995 John Tomlinson Sr. (Glyncorrwg) David Kingdon (Parc y Dre)1996 Dai Wilkins (Pontrhydyfen) Adrian Price (Ammanford)1997 Steve Jackson (Llanbradach) Nick Bithray (Ammanford Park)1998 Rob Rees (Taibach)Mark Williams (Nixon's)1999 Mark Williams (Nixon's)John Price (Aberavon)2000 Robert Weale (Presteigne)Roland Salmon (Aberystwyth)2001 Steve Hill (Porthcawl)Robert Price (R.T.B. Ebbw Vale)2002 John K Evans (Rhymney Gwent) Ryan Mountstephen (Penhill)2003 Wayne Griffiths (Welshpool Town) G. Ellis (Aberystwyth)2004 Richard Morgan (Penylan) John K Evans (Rhymney Gwent)2005 Robert Weale (Presteigne) Neil Rees (Parc y Dre)2006 Kevin James (Cardigan) Steve Harris (RTB Ebbw Vale)2007 Mark Weaver (Montgomery) Steve Harris (RTB Ebbw Vale)2008 Roger Jones (Panteg Park) Andrew Atwood (Caerphilly)2009 Tom Hancock (Cross Keys) Chris Prosser (Harlequins)2010 Ross Tomlinson (Glyncorrwg) Phil Holloway (Llantrisant)2011 Jason Greenslade (Penarth) Ross Tomlinson (Glyncorrwg)2012 Robert Weale (Presteigne) Paul Taylor (Bridgend)2013 David Kingdon (Kidwelly Town) Steve Harris (RTB Ebbw Vale)2014 Jason Greenslade (Penarth) Andrew Fleming (Machynlleth)2015 Jonathan Tomlinson (RTB Ebbw Vale) Robert Weale (Presteigne)2016 David Kingdon (Kidwelly Town) Martin Clarke (Barry Athletic)2017 Roger Jones (Beaufort)Sam Roff (Llandrindod Wells)2018 Kevin James (Cardigan) Mark Weaver (Montgomery)2019 Ben Thomas (Pontrhydyfen)Jordan Davies (Harelquins)2020 cancelled due to COVID-19 pandemic2021 Kevin James (Cardigan)Simon Ace (Resolven)2022Daniel Salmon (Penylan)Martin Clarke Squires (Barry Athletic)2023 Ross Owen (Harlequins)David Kingdon (Tenby)2024Carl Wood (Llanbradach) Ross Owen (Harlequins) 2025Connor Murphy (New Tredegar) Andrew Flemming (Machynlleth) 2026Owain Dando (RTB Ebbw Vale)Ben Matthews (Graig Merthyr)

Men's pairs