Sportsmen
- David Davies (football administrator) (born 1948), former Executive Director of the English Football Association
- David Davies (footballer born 1879) (1879–1956), Brecon F.C., Hereford Town F.C. and Wales international footballer
- David Davies (footballer born 1888), Oldham Athletic F.C. and Wales international footballer
- David Davies (rugby league born circa-1905), rugby league footballer of the 1920s and '30s for Wales, and Warrington
- David Davies (rugby league born circa-1915), rugby league footballer of the 1930s and '40s for Wales, and Salford
- David Davies (rugby league), rugby league footballer of the 1900s and '10s for Wales, Merthyr Tydfil, Swinton, and Oldham
- W. J. A. Davies (1890–1967), known as Dave Davies, rugby union footballer, captained England in the 1920s
- David Davies (swimmer) (born 1985), British long distance swimmer
- David Harris Davies (1877–1944), rugby union footballer of the 1900s for Wales, Tonna, Neath, Glamorgan Police, and Glamorgan
- Dai Davies (cricketer) (1896–1976), first-class cricketer for Glamorgan and Wales, and Test umpire
- Dai Davies (footballer born 1880) (1880–1944), rugby union, rugby league, and association footballer for Llanelli (RU), Wales (RL), Swinton, Wales (soccer) and Bolton Wanderers
- Dai Davies (footballer born 1948), Everton F.C., Wrexham A.F.C. and Wales international goalkeeper
- Dai Davies (rugby player born 1925) (1925–2003), rugby union footballer of the 1940s and '50s for British Lions, Wales, Penygraig, Somerset Police, British Police, Somerset, and Barbarian F.C.
- David Idwal Davies (1915–1990), rugby union and rugby league footballer of the 1930s and '40s for Wales (RU), Swansea, Wales (RL), and Leeds
- David John Davies (rugby) (1941–1969), rugby union and rugby league footballer of the 1960s for Wales (RU), Neath, and Leeds (RL)
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