David, Dave, or Dai Evans may refer to:
Academics
- Sir David Emrys Evans (1891âÂÂ1966), Welsh classicist and university principal
- David Evans (microbiologist) (1909âÂÂ1984), British microbiologist
- David Stanley Evans (1916âÂÂ2004), British astronomer
- David C. Evans (computer scientist) (1924âÂÂ1998), American computer graphics pioneer
- David C. Evans (paleontologist) (born 1980), Canadian paleontologist
- David Evans (mathematician) (born 1940), professor of applied mathematics at University of Bristol
- David A. Evans (1941âÂÂ2022), organic chemist at Harvard University
- David Andreoff Evans (born 1948), American computational linguist, entrepreneur
- David S. Evans (born 1954), economist and lecturer at University College London and the University of Chicago Law School
- David Evans (geologist) (born 1970), professor of geology and geophysics at Yale University
- David E. Evans (born 1950), professor of mathematics at Cardiff University
- David Evans (musicologist) (born 1944), ethnomusicologist at the University of Memphis
- Dai Morgan Evans (1944âÂÂ2017), British archaeologist and academic
- David Evans (geneticist), Australian geneticist
Artists
Musicians
Other arts
Politicians
- David Evans (MP for Cardiff) (died 1568), MP for Cardiff
- David R. Evans (South Carolina politician) (1769âÂÂ1843), U.S. representative from South Carolina
- David Evans (Lord Mayor) (1849âÂÂ1907), Welsh politician, former Lord Mayor of London.
- David Ellicott Evans (1788âÂÂ1850), U.S. representative from New York, 1827
- David H. Evans (1837âÂÂ1920), New York politician
- David Arthur Evans (1915âÂÂ1989), Canadian politician in the Legislative Assembly of Ontario
- David Evans (Western Australian politician) (1924âÂÂ2019), Australian politician in the Western Australian Legislative Assembly
- David Evans (Victorian politician) (born 1934), Australian politician in the Victorian Legislative Council
- David Evans (MP for Welwyn Hatfield) (1935âÂÂ2008), British businessman and Conservative politician, MP 1987âÂÂ1997
- David Evans (West Virginia politician) (born 1945), member of the West Virginia House of Delegates
- David W. Evans (born 1946), U.S. representative from Indiana, 1975âÂÂ1983
- David Evans Jr. (1848âÂÂ1929), Wisconsin politician
- David Evans, Baron Evans of Sealand (born 1961), British political official and general secretary of the Labour Party
Religion
Sportsmen
- Dai Evans (footballer, born 1902) (1902âÂÂ1951), Welsh international footballer
- Dai Evans (footballer, born 1934), Welsh football goalkeeper
- Dave Evans (racing driver) (1898âÂÂ1974), American racecar driver
- Dave Evans (footballer) (born 1958), English footballer
- David Evans (athlete) (born 1967), Australian Paralympian
- David Evans (footballer) (born 1967), former soccer player/footballer with Chester City
- David Evans (squash player) (born 1974), Welsh professional squash player
- David Evans (darts player) (born 1989), English darts player
- Dave Evans (cyclist), Welsh cyclist
Cricket
Rugby
- Dai Evans (1872âÂÂ1912), Welsh rugby union player
- David Evans (rugby, born 1886) (1886âÂÂ1940), New Zealand rugby union and rugby league footballer of the 1900s and 1910s
- David Evans (rugby union, born 1899) (1899âÂÂ1977), Welsh international rugby union player
- David Evans (rugby union, born 1909) (1909âÂÂ1992), Welsh international rugby union player
- David Morgan Evans (1911âÂÂ1941), Welsh rugby union and rugby league footballer
- David Wyn Evans (born 1965), Welsh rugby union player
- David Evans (rugby union, born 1988), Welsh rugby union and rugby sevens player
Others
- Dave Evans (entrepreneur), American entrepreneur and Stanford professor
- Dave Evans (reporter) (born 1962), American reporter with WABC-TV
- David Morier Evans (1819âÂÂ1874), financial journalist
- Sir David William Evans (1866âÂÂ1926), Welsh lawyer, public servant and rugby international
- Sir David Evans (archivist) (1893âÂÂ1987), Welsh archivist, Keeper of the Public Records
- Sir David Evans (RAF officer) (1924âÂÂ2020), Air Chief Marshal/Senior Commander in the Royal Air Force (RAF)
- David Evans (RAAF officer) (1925âÂÂ2020), Senior officer in the Royal Australian Air Force (RAAF)
- David Evans, Baron Evans of Watford (born 1942), British trade unionist and businessman
- David Morier Evans (1819âÂÂ1874), Welsh financial journalist
- David Evans (department store), a department store group based in South Wales