David, Dafydd, Dai, Dave, Davy, or Di Jones may refer to:
Arts and entertainment
Music
- David Bowie (David Robert Jones, 1947–2016), English musician and actor
- Dave Jones (drummer) (active since 1983), drummer with New York band Agnostic Front
- David Jones (jazz musician) (1888–1956), American jazz saxophonist
- David Jones (drummer) (born c.1958), Australian drummer
- David Evan Jones (composer) (born 1946), American composer, pianist, and educator
- David Lynn Jones (born 1950), American country music singer-songwriter
- Davy Jones (musician) (1945–2012), English musician and member of The Monkees
Other
- David Jones (director) (1934–2008), English stage, television and film director
- David Jones (presenter), English sports broadcaster on Sky Sports since 1999
- David Jones (artist-poet) (1895–1974), British modernist poet, writer, and artist
- David Jones (programmer) (active in 1980s), former freelance computer game programmer
- David Jones (video game developer) (born 1966), Scottish video game programmer and entrepreneur
- David Jones (writer), creator of the television series Fireman Sam
- Dai Jones (David John Jones, 1943–2022), Welsh television presenter and radio broadcaster
- David Annwn Jones (born 1953), Anglo-Welsh poet, critic and teacher
- David Elwyn Jones (1945–2003), Welsh writer, politician, and poet
- David R. Jones (journalist) (born 1931 or 1932), American journalist, winner of two Gerald Loeb Awards.
- David R. Jones (biologist) (1941–2010), British-born biologist, moved to Canada in 1969
- David Watkin Jones, Welsh poet, historian and geologist
Science, engineering and academia
- David A. Jones (active since 1995), head of the National Climate Centre at the Australian Bureau of Meteorology
- David Dallas Jones (1887–1956), president of Bennett College in Greensboro, North Carolina and brother of Robert Elijah Jones
- David E. H. Jones (1938–2017), best known as Daedalus, British writer and scientist
- David James Jones (1886–1947), Welsh philosopher and academic
- David Lewis Jones (1945–2010), Welsh historian and librarian
- David L. Jones (botanist) (born 1944), Australian horticultural botanist
- David L. Jones (video blogger) (active since 2009), Australian electronic engineer and blogger
- David Wyn Jones (born 1950), British musicologist
- David R. Jones (biologist) (1941–2010), recipient of Flavelle Medal
- David T. Jones (scientist) (David Tudor Jones, born 1966), professor of bioinformatics
Sports
- Dave Jones (footballer, born 1932) (1932–2022), Welsh football goalkeeper
- Dave Jones (footballer, born 1956), English footballer and manager
- David Jones (footballer, born 1910) (1910–1971), Welsh international footballer
- David Jones (football defender, born 1914) (1914–1988), Welsh footballer
- David Jones (football goalkeeper, born 1914) (1914–1999), Welsh footballer
- David Jones (footballer, born 1935) (1935–2014), English footballer
- David Jones (footballer, born 1936), Welsh footballer
- David Jones (footballer, born 1940) (1940–2013), English footballer
- David Jones (footballer, born 1950), English footballer for York City
- David Jones (footballer, born 1952), Welsh international footballer
- David Jones (soccer, born 1955), Australian association footballer
- David Jones (footballer, born 1964), English footballer
- David Jones (footballer, born 1984), English footballer
- Dai Jones (footballer, born 1941), Welsh footballer
- Di Jones (1866–1902), Welsh footballer
Other sports
- David Jones (runner) (1940–2023), British sprinter and Olympic bronze medallist
- David Jones (darts player) (1949–1995), Welsh darts player
- David Jones (ice hockey) (born 1984), Canadian ice hockey player for the Minnesota Wild
- David Jones (golfer) (born 1947), Northern Irish professional golfer
- David Jones (cricketer, born 1914) (1914–1998), English cricketer
- David Jones (cricketer, born 1920) (1920–1990), Welsh cricketer
- David Jones (sailor) (born 1940), sailor from United States Virgin Islands
- David Jones (sport shooter) (born 1977), Australian sports shooter
- Dai St. John (David Jones, 1879–1899), Welsh heavyweight boxer
- David R. Jones (golfer), English golfer and winner of the 1991 Zambia Open
- David Jones (table tennis), English table tennis player
- Dave Jones (volleyball) (born 1959), Canadian volleyball player
- David Jones (basketball) (born 2001), basketball player from the Dominican Republic