Golden Trio

The Golden Trio referred to Harry Potter, Hermione Granger and Ron Weasley. It was originally consisting only of Ron and Harry, who eventually became best friends with Hermione. Thus, they became known as the Trio.

Trivia

The name "Golden Trio" was by fans and later adapted.

Series

Harry Potter Characters

Main: Harry Potter • Ron Weasley • Hermione Granger • Neville Longbottom • Lord Voldemort • Albus Dumbledore • Severus Snape • Rubeus Hagrid • Draco Malfoy

Dumbledore's Army: Ginny Weasley • Luna Lovegood • Fred Weasley • George Weasley • Cho Chang • Dean Thomas • Ernie Macmillan • Hannah Abbott • Justin Finch-Fletchley • Lavender Brown • Seamus Finnigan • Susan Bones • Lee Jordan • Parvati Patil • Padma Patil • Angelina Johnson

Order of the Phoenix: Minerva McGonagall • Arthur Weasley • Molly Weasley • Aberforth Dumbledore • Arabella Figg • Fleur Delacour • Bill Weasley • Kingsley Shacklebolt • James Potter•Prongs • Lily Potter I • Remus Lupin • Sirius Black • Elphias Doge

Voldemort's Followers: Bellatrix Lestrange • Barty Crouch Jr. • Peter Pettigrew•Wormtail

Hogwarts School of Witchcraft and Wizardry: Horace Slughorn • Pomona Sprout • Poppy Pomfrey • Quirinus Quirrell • Filius Flitwick • Helena Ravenclaw • Peeves • Bloody Baron

Ministry of Magic: Cornelius Fudge • Barty Crouch Sr. • Dolores Umbridge • Percy Weasley

Other: Madame Maxime• Fenrir Greyback • Lucius Malfoy • Narcissa Malfoy • Gellert Grindelwald • Dobby • Cedric Diggory • Armondo Dippet • Astoria Malfoy • James S. Potter • Albus Potter • Lily L. Potter • Scorpius Malfoy • Hugo Granger-Weasley • Rose Granger-Weasley • Delphini

Fantastic Beasts and Where to Find Them Characters

Newt Scamander • Tina Goldstein • Queenie Goldstein • Jacob Kowalski • Gellert Grindelwald • Credence Barebone • Seraphina Picquery • Percival Graves • Bernadette • Mary Lou Barebone • Modesty Barebone • Gnarlak • Langdon Shaw • Henry Shaw Jr. • Henry Shaw Sr. • Leta Lestrange • Theseus Scamander • Pickett • Niffler

Fantastic Beasts: The Crimes of Grindelwald: Nagini • Nicholas Flamel • Vinda Rosier

Other Characters

Legendary Figures: Godric Gryffindor • Helga Hufflepuff • Rowena Ravenclaw • Salazar Slytherin • Antioch Peverell • Cadmus Peverell • Ignotus Peverell • Isolt Sayre • James Steward • Webster Boot • Chadwick Boot • William • Martha and Rionach Steward • Gormlaith Gaunt

Fairytale Characters: Altheda • Amata • Antioch Peverell • Asha • • Ignotus Peverell • Ignotus Peverell's son • Sir Luckless • Warlock

Mentioned only: Kendra Dumbledore •Percival Dumbledore • List of Harry Potter characters

Organizations
Hogwarts School of Witchcraft and Wizardry (Hogwarts staff, Gryffindor • Ravenclaw • Slytherin • Hufflepuff) • Order of the Phoenix • Dumbledore's Army • Death Eaters • Golden Trio • Ilvermorny School of Witchcraft and Wizardry

Creatures
Buckbeak • Aragog • Fawkes

Items
Philosopher's Stone • The Deathly Hallows (The Invisibility Cloak • The Resurrection Stone • The Elder Wand) • Horcruxes (Tom Riddle's Diary, Gaunt Ring, Slytherin Locket, Hufflepuff Cup, Ravenclaw Diadem) • Blood Pact • Time-Turners • Sword of Gryffindor • Marauder's Map1 • Sorting Hat

Locations
Builidings: British Ministry of Magic • Hogwarts Castle • Malfoy Manor