David or Dave Cox may refer to:

Arts and entertainment David Cox (artist) (1783–1859), British landscapist David Cox Jr. (1809–1885), British landscapist David Cox (composer) (1916–1997), British composer

Sports David Cox (1960s cricketer) (born 1946), British cricketer David Cox (gymnast) (born 1970), British Olympic gymnast David Cox (1990s cricketer) (born 1972), British cricketer David Cox (Scottish cricketer) (born 1973), Scottish cricketer David Cox (basketball) (born 1973), American college basketball coach David Cox (footballer) (born 1989), Scottish footballer David Cox (pole vaulter) (born 1972), American pole vaulter, 1996 NCAA outdoor runner-up for the Fresno State Bulldogs track and field team

Others David Cox (historian and mountaineer) (1913–1994), (Anthony David Machell Cox) David Cox (statistician) (1924–2022), English statistician Dave Cox (1938–2010), American politician David A. Cox (born 1948), American mathematician David Cox (Australian politician) (born 1954), Australian federal politician David Cox (Marine) (1966–1994), U.S. Marine found killed by an unknown assailant David Neal Cox (1970–2021), American convicted murderer