John Rees
John Rees may refer to:
- John Rees , British political activist and writer
- John Rees , Australian cricketer
- John Rees , right-wing publisher and informant
- John Rees , Welsh musician
- John Rees , Australian bassist, known for being part of the classic line-up of rock band Men at Work
- Conway Rees, John Conway Rees, Welsh rugby union international
- Sir John Rees, 1st Baronet, colonial administrator in British India and member of parliament
- Sir John Milsom Rees, Welsh surgeon
- John Rawlings Rees, British psychiatrist