John Reid is the name of:
Politics
- John Reid, Baron Reid of Cardowan (born 1947), former British Home Secretary and former Chairman of Celtic F.C.
- John William Reid (1821–1881), U.S. Representative from Missouri
- John Dowsley Reid (1859–1929), Canadian parliamentarian and Cabinet minister
- John C. W. Reid (1871–1942), Canadian politician who served in the Legislative Assembly of Manitoba, 1910–1914
- John Mercer Reid (born 1937), Information Commissioner of Canada and a former member of the Canadian House of Commons
- Sir John Reid, 2nd Baronet (1791–1867), MP for Dover, 1830–1831 and 1832–1847
- John Flaws Reid (1860–1943), Scottish-born farmer and political figure in Saskatchewan, Canada
- John Reid (Australian politician) (1873–1963), member of the New South Wales Legislative Assembly
- John Christian Reid (1873–1932), New South Wales businessman, yachtsman and alderman
- John Reid (NJ Assemblyman) , (1683-1723) New Jersey Assemblyman, surveyor-general of New Jersey, was named a judge of the Court of Common Pleas, and was appointed Commissioner of Highways
Sports
- John Reid (footballer) (born 1932), former Scottish footballer who played for Hamilton and Bradford
- John Richard Reid (born 1928), former captain of the New Zealand cricket team
- John Reid (jockey) (born 1955), British jockey and president of the Jockeys Association
- John B. Reid (1896–1963), American football player and coach of football, basketball, and baseball
- John Fulton Reid (born 1956), New Zealand cricketer
- John Reid (sailor) (1918–1954), American Olympic sailor
- John Reid (Australian footballer) (born 1953), former Australian rules footballer
- Johnny Reid (footballer) (1896–1980), Scottish soccer inside right
- John Reid (golfer) (born c. 1870), Scottish professional golfer
- John Reid "JR" (Baseball) (born 1947), Great scorer, better story teller - Montreal Expos
Media
- Andrew Tobias (born 1947), American journalist who used the pseudonym John Reid
- John Reid (music manager) (born 1949), Scottish music manager and a judge on the Australian television programme The X Factor
- Johnny Reid (born 1974), country music singer who recorded his first CD under the name John Reid
- John Robinson Reid (born 1963), Scottish producer, DJ, vocalist and member of Nightcrawlers