David, Dave, or Dai Evans may refer to:
Academics
Sir David Emrys Evans (1891–1966), Welsh classicist and university principal
David Evans (microbiologist) (1909–1984), British microbiologist
David Stanley Evans (1916–2004), British astronomer
David C. Evans (1924–1998), 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 (1941–2022), 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 (Yale professor) (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 (1944–2017), British archaeologist and academic David Evans (geneticist), Australian geneticist
Artists
Musicians
David Evans (composer) (1874–1948), Welsh composer
Dave Evans (bluegrass) (1950–2017), American tenor singer and banjo player
Dave Evans (singer) (born 1953), first lead singer of the rock band AC/DC
David Howell Evans (born 1961), guitarist of Irish rock band U2, better known as The Edge
Other arts
David Evans (writer) (1893–1966), British screenwriter and novelist
David Allan Evans (born 1940), American poet
David Mickey Evans (born 1962), American film director and screenwriter
David Evans (director), director of British film Fever Pitch and various TV shows David Evans (sculptor) (1893–1959), English sculptor David Evans (comedian) (1922–1980), English comedian
Politicians
David Evans (MP for Cardiff) (died 1568), MP for Cardiff
David R. Evans (South Carolina politician) (1769–1843), U.S. Representative from South Carolina David Ellicott Evans (1788–1850), U.S. Representative from New York, 1827 David H. Evans (1837–1920), New York politician David Arthur Evans (1915–1989), Canadian politician in the Legislative Assembly of Ontario David Evans (Western Australian politician) (1924–2019), Australian politician in the Western Australian Legislative Assembly David Evans (Victorian politician) (born 1934), Australian politician in the Victorian Legislative Council David Evans (British politician) (1935–2008), British businessman and Conservative politician, MP 1987–1997 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, 1975–1983 David Evans, Jr. (1848–1929), Wisconsin politician David Evans (political official) (born 1961), British political official and General Secretary of the Labour Party
Religion
David Evans (canon at St Asaph) (1705–1788), Welsh clergyman and writer
David Evans (archdeacon of St Asaph) (died 1910), Welsh priest
David F. Evans (born 1951), American leader in The Church of Jesus Christ of Latter-day Saints David Evans (bishop) (born 1938), Peruvian bishop David E.C. Evans (born 1953), Auxiliary Bishop of Birmingham Archdiocese
Sportsmen
Dai Evans (footballer, born 1902) (1902–1951), Welsh international footballer
Dai Evans (footballer, born 1934), Welsh football goalkeeper
Dave Evans (racing driver) (1898–1974), 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 David Evans, one of the three falsely accused students in 2006 Duke University lacrosse case
Cricket
David Evans (cricketer, born 1869) (1869–1907), 22 first-class matches between 1889 and 1902 David Evans (Hertfordshire cricketer) (1935–2008), List A cricketer with Hertfordshire David Evans (Somerset cricketer, born 1928) (1928–1991), eight first-class matches in 1953 David Evans (umpire) (1933–1990), cricketer with Glamorgan and Test match umpire