Robert Knox
Robert Knox or Rob Knox may refer to:
- Robert Knox (surgeon), Scottish surgeon, anatomist and zoologist
- Robert Knox (bishop), Bishop of Down, Connor and Dromore and Archbishop of Armagh
- Robert Knox (sailor), English sea captain in the service of the British East India Company
- Robert Knox (private equity investor)
- Robert Knox, mayor of Berwick-upon-Tweed
- Robert C. Knox, justice of the Arkansas Supreme Court
- Robert Sinclair Knox, British Army officer
- Rob Knox, English actor
- Rob Knox (producer), American record producer and songwriter