Paul Collier is the name of several people including:
- Sir Paul Collier (born 1949), professor of economics and public policy, University of Oxford
- Paul Collier (snooker referee) (born 1970), Welsh snooker referee
- Paul Collier (activist) (died 2010), Australian disability activist and founder of the Dignity for Disability party.
- Paul Collier (physicist), Head of Beams Department at CERN