John Rees may refer to:
John Rees (activist) (born 1957), British political activist and writer John Rees (cricketer) (1880–1959), Australian cricketer John Rees (journalist) (c. 1926), right-wing publisher and informant John Rees (musician) (1857–1949), Welsh musician John Rees (bassist) (born 1951), Australian bassist, known for being part of the classic line-up of rock band Men at Work Conway Rees (1870–1932), John Conway Rees, Welsh rugby union international Sir John Rees, 1st Baronet (1854–1922), colonial administrator in British India and member of parliament Sir John Milsom Rees (1866–1952), Welsh surgeon John Rawlings Rees (1890–1969), British psychiatrist
See also Jonny Rees, Hong Kong rugby union player Jonny Rees (model), Mr. Wales 2008 John Reese (disambiguation) John Rhys (1840–1915), scholar John Rhys-Davies (born 1944), Welsh actor