David Nicholl or Nicoll may refer to:
- David Nicholl (neurologist), Irish neurologist
- David Nicholl (rugby union) (1871–1918), Welsh international rugby union player
- David Nicoll (anarchist) (1859–1919), British anarchist
- David Nicoll (footballer), Scottish footballer
- Dave Nicoll, English motocross racer
- Dave Nicol (musician), Canadian folk singer