John Riddell
John Riddell may refer to:
- John Riddell , Scottish peerage lawyer
- Jack Riddell, Canadian politician
- John Riddell , Marxist writer and former leader of the Revolutionary Workers League in Canada
- Sir John Riddell, 13th Baronet of Riddell
- John Carre Riddell, politician in colonial Victoria
- John Leonard Riddell, American scientist and author
- John Riddell, pseudonym of humorist Corey Ford, used for satiric book reviews
- John Riddell, a fictional character in Dinosaurs on a Spaceship
- 7 News Adelaide newsreader alongside Jane Doyle