John is a given name that can refer to:
- John, traditional author of one of the books of the Bible
- John Bastedo, a wizarding criminal in the 1920s
- John Buchanan, father of Angus Buchanan
- John Bunyan, a 17th century English writer
- John Constable, an 18th century English painter
- John Dawlish, an Auror
- John Garry, a friend of George Sipel
- John Haas, an American bookkeeper turned fraudster
- John Homme, a wizarding painter
- John Kent, a Muggle greengrocer
- John Stevenson, a man buried in Godric's Hollow
- John Terry, a member of the England national football team in the 1990s
Behind the scenes[]
Real-world individuals with the given name John include:
Actors[]
- John Atterbury, the actor who portrayed Phineas Nigellus Black in the film adaptation of Harry Potter and the Order of the Phoenix
- John Cleese, the actor who portrayed Nearly Headless Nick in the first two Harry Potter films
- John Dingain, a British actor who was an extra on the set of Harry Potter and the Deathly Hallows: Part 1
- John Hurt, the actor who portrayed Garrick Ollivander in the Harry Potter films
- John Snowden, an English actor who portrayed a wizard in Harry Potter and the Deathly Hallows: Part 1
Others[]
- John King, a supervising art director for the first two Harry Potter films
- John Noe, the Creative Director of The Leaky Cauldron website
- John Richardson, special effects supervisor for the Harry Potter films
- John Seale, an Australian cinematographer who worked on the film adaptation of Harry Potter and the Philosopher's Stone
- John Williams, an American composer who composed the soundtracks for the first three Harry Potter films