Douglas Cox is a violinmaker.
Douglas Cox may also refer to:
- Douglas Cox (American football) (1923–2011), American football player and coach
- Douglas Cox (cricketer) (1919–1982), Australian cricketer
- Douglas Cox (actor) in The Coal King
- Douglas Cox (Law Professor), see Riyadh the facilitator
- Douglas Cox (figure skater), see Figure skating at the Winter Universiade