David Mills
David Mills may refer to:
- David Mills (author) (born 1959), American atheist and author
- David Mills (bass) (born 1929), Canadian bass, poet, composer and actor
- David Mills (Canadian politician) (1831–1903), Canadian politician, author, poet and jurist
- David Mills (editor) (born 1957), American editor and writer in Christian media
- David Mills (footballer) (born 1951), English footballer
- David Mills (lawyer) (born 1944), British lawyer
- David Mills (rugby league) (born 1981), Wales international rugby league player
- David Mills (solar researcher) (born 1946), Australian scientist
- David Mills (TV writer) (1961–2010), American journalist, screenwriter and television producer
- David L. Mills (born 1938), American computer engineer
- Detective David Mills, a fictional character from the 1995 film Seven, played by Brad Pitt