Below are the characters from J. K. Rowling's Wizarding World who have an appearance, mention, or otherwise tropable presence in Harry Potter and the Philosopher's Stone (the novel and its movie adaptation). Any tropes applicable to them will be written up on the pages below.
Characters in Harry Potter and the Philosopher's Stone (novel and movie):
- The Trio: Ron Bilius Weasley, Hermione Jean Granger
- Hogwarts Students:
- Gryffindor House: Neville Longbottom, Dean Thomas, Seamus Finnigan, Lee Jordan, Parvati Patil, Oliver Wood, Angelina Johnson, Katie Bell, Alicia Spinnet
- Slytherin House: Draco Malfoy, Vincent Crabbe and Gregory Goyle, Pansy Parkinson, Marcus Flint
- Hufflepuff House: Susan Bones
- Hogwarts Staff: Minerva McGonagall, Rubeus Hagrid, Pomona Sprout, Filius Flitwick, Quirinus Quirrell, Firenze, Rolanda Hooch, the Sorting Hat, Argus Filch, Poppy Pomfrey, Trolley witch
- The Weasley Family: Molly Weasley, Arthur Weasley, Percy Ignatius Weasley, Fred and George Weasley, Ginny Weasley
- Order of the Phoenix Members: Lily Potter, Dedalus Diggle
- Marauders: James Potter, Peter "Wormtail" Pettigrew
- Death Eaters: Lucius Malfoy
- Muggles: Vernon Dursley, Petunia Dursley, Dudley Dursley, Marjorie "Marge" Dursley
- Other Characters: Garrick Ollivander
- Magical Beings: Nearly Headless Nick, The Grey Lady, The Bloody Baron, The Fat Friar, Griphook
- Animals and Pets: Hedwig, Mrs. Norris, Fang, Fluffy, Norbert
- Fantastic Beasts:
- Others: Nicholas Flamel
Novel only characters:
- Hogwarts Students:
- Gryffindor House: Lavender Brown.
- Slytherin House: Blaise Zabini, Theodore Nott, Millicent Bulstrode.
- Ravenclaw House: Padma Patil.
- Hufflepuff House: Hannah Abbott, Justin Finch-Fletchley.
- Hogwarts Staff: Cuthbert Binns, Irma Pince.
- Ministry of Magic: Cornelius Oswald Fudge.
- Order of the Phoenix Members: Arabella Doreen Figg, Edgar Bones.
- Death Eaters: Narcissa Malfoy.
- Muggles: Mr. and Mrs. Granger.
- Magical Beings: Peeves the Poltergeist.
Movie only characters:
- Hogwarts Staff: Septima Vector, Aurora Sinistra.
