List Of Harry Potter's Character "U"

• Dolores Jane Umbridge – Senior Undersecretary to the Minister for Magic, Defence Against the Dark Arts professor, Hogwarts High Inquisitor, Headmistress of Hogwarts, sent to Azkaban for crimes against Muggle-borns, claims relation to the pure-blood Selwyn family
• Quintius Umfraville – Author of The Noble Sport of Warlocks
• Urquhart – Slytherin Quidditch captain during Harry's time at Hogwarts
• Elphinstone Urquart - Husband of Minerva McGonagall, Ministry of Magic employee in the Department of Magical Law Enforcement

List Of Harry Potter's Character "T"

• Lucinda Talkalot – Slytherin student in the 1970s, Captain of the Slytherin Quidditch team
• Ryotara Tanaka – Chaser and Captain of the Japanese National Quidditch Team
• Keiko Takahashi – Japanese Quidditch Beater
• Minaka Takahashi – Japanese Quidditch Beater
• Janus Thickey – Namesake of the Janus Thickey Ward at St Mungo's
• Pius Thicknesse – Minister for Magic while under the Imperius Curse
• Mr Thomas – Father of Dean Thomas, murdered by Death Eaters, never told his Muggle wife that he was a wizard
• Dean Thomas – Gryffindor student in Harry's year, member of Dumbledore's Army, dated Ginny Weasley, Gryffindor Quidditch Chaser.
• Lucinda Thomsonicle-Pocus – Chief Attendant of Witchcraft Provisions at Hogwarts
• Orsino Thruston – Drummer for the Weird Sisters
• Thaddeus Thurkell – Wizard who produced seven Squib sons and turned them all into hedgehogs in disgust.
• Agatha Timms – Owner of an eel farm, placed a bet with Ludo Bagman at the Quidditch World Cup

List Of Harry Potter's Character "S"

• Eoessa Sakndenberg – Former Headmistress of Hogwarts
• Vasco Santini – Spanish Quidditch Beater
• Noriyuki Satō – Japanese Quidditch Chaser
• Saucet – French Quidditch Beater
• Almerick Sawbridge – Conquered a river troll at the Wye River
• Scabior – Snatcher who captures Harry Potter, Ron Weasley and Hermione Granger in Deathly Hallows, Slytherin student at Hogwarts
• Lorcan Scamander – Son of Rolf Scamander and Luna Lovegood, twin brother of Lysander Scamander
• Luna Scamander – See Luna Lovegood
• Lysander Scamander – Son of Rolf Scamander and Luna Lovegood, twin brother of Lorcan Scamander
• Newton Artemis Fido "Newt" Scamander – Author of Fantastic Beasts and Where to Find Them, among other books, grandfather of Rolf Scamander, Hufflepuff student at Hogwarts, Headmaster of Hogwarts
• Rolf Scamander – Wizarding naturalist, husband of Luna Lovegood, father of twin sons Lorcan and Lysander
• Porpentina Scamander – Wife of Newt Scamander
• Bruno Schmidt – Child from Germany who kills an Erkling with a collapsible cauldron
• Brutus Scrimgeour – Author of The Beater's Bible
• Rufus Scrimgeour – Head of the Auror Office, replaces Cornelius Fudge as Minister for Magic, killed, presumably by Death Eaters, in The Deathly Hallows
• Selwyn – Death Eater
• Kingsley Shacklebolt – Auror, replaces Pius Thicknesse as Minister for Magic, member of the Order of the Phoenix
• Derwent Shimpling – Comedian, ate an entire Venomous Tentacula and survived, J. K. Rowling's Wizard of the Month for January 2005
• Gaspard Shingleton – Inventor of the Self-Stirring Cauldron, J. K. Rowling's Wizard of the Month for September 2005
• Stanley "Stan" Shunpike – Conductor of the Knight Bus, Death Eater (possibly under Imperius Curse)
• Ariel "Speedy" Singleton – American Quidditch Seeker
• Aurora Sinistra – Professor of Astronomy at Hogwarts
• Rita Skeeter – Reporter for the Daily Prophet, author of The Life and Lies of Albus Dumbledore, Animagus
• Harold Skively – Suggested a holiday in honour of Merlin
• Wilbert Slinkhard – Author of Defensive Magical Theory
• Jack Sloper – Gryffindor Quidditch Beater during Harry's fifth year at school
• Horace Slughorn – Former Potions professor at Hogwarts and Head of Slytherin House, taught Tom Marvolo Riddle, fights against the Death Eaters
• Salazar Slytherin – Co-founder of Hogwarts, Parselmouth, ancestor of the Gaunt family and Lord Voldemort, J. K. Rowling's Wizard of the Month for June 2007
• Veronica Smethley – Fan of Gilderoy Lockhart
• Elliot Smethwyk – Created the Cushioning Charm
• Hippocrates Smethwyck – Healer-in-Charge on the Dai Llewellyn Ward at St Mungo's
• Leopoldina Smethwyk – First British witch to referee a Quidditch match
• Hepzibah Smith – Elderly, wealthy antique collector, descendant of Helga Hufflepuff, murdered and robbed by Tom Marvolo Riddle
• Zacharias Smith – Hufflepuff student during Harry's time at Hogwarts, Chaser on the Hufflepuff Quidditch team, member of Dumbledore's Army
• Eileen Snape (née Prince) – Pure-blood wife of Tobias Snape, mother of Severus Snape, captain of the Hogwarts Gobstones Club
• Severus Snape – Son of Tobias Snape and Eileen Prince, "Half-Blood Prince", reformed Death Eater, member of the Order of the Phoenix, Potions and Defence Against the Dark Arts professor, Head of Slytherin House, Hogwarts Headmaster, killed Dumbledore in the sixth book, murdered in the seventh book by Nagini
• Tobias Snape – Muggle father of Severus Snape, husband of pure-blood Eileen Prince
• Faris "Spout Hole" Spavin – Minister for Magic
• Alicia Spinnet – Gryffindor Quidditch Chaser, two years above Harry
• Phyllida Spore – Author of One Thousand Magical Herbs and Fungi and former Headmistress of Hogwarts
• Pomona Sprout – Hogwarts Herbology professor, Head of Hufflepuff House
• Spudmore – Manufacturer of the 1940 Timberblast broom
• Erica Stainwright – Disgraced housekeeping guru, Wizard of the Month for August 2006
• Blenheim Stalk – Author of Muggles Who Notice, Muggle expert
• Hesper Starkey – Studied how the phases of the moon affect potion-making
• Stebbins - Hogwarts student during the Marauders' time at Hogwarts
• Stebbins – Hufflepuff student during Harry's time at Hogwarts, caught by Snape with Fawcett during the Yule Ball
• Patricia Stimpson – Hogwarts student two years above Harry
• Jeremy Stretton – Ravenclaw Quidditch Chaser during Harry's time at Hogwarts
• Edgar Stroulger – Inventor of the Sneakoscope
• Miriam Strout – Healer in the Janus Thickey Ward at St Mungo's
• Billy Stubbs – Boy at Tom Marvolo Riddle's orphanage
• Grogan Stump –, Hufflepuff student in the 1780s, Minister for Magic, J. K. Rowling's Wizard of the Month for April 2006
• Felix Summerbee – Inventor of Cheering Charms, J. K. Rowling's Wizard of the Month for May 2004 and May 2005
• Summerby – Hufflepuff Quidditch Seeker after Cedric Diggory
• Summers – Hufflepuff student during Harry's time at Hogwarts
• Yoshihiro Suzuki – Japanese Quidditch Chaser
• Havelock Sweeting – Unicorn expert
• Emeric Switch – Author of A Beginner's Guide to Transfiguration
• Ambrose Swott – Former Headmaster of Hogwarts
• Jocunda Sykes – First person to fly a broomstick across the Atlantic, J. K. Rowling's Wizard of the Month for January 2006

List Of Harry Potter's Character "R"

• Modesty Rabnott – Protested the use of the Golden Snidget in Quidditch, namesake of the Modesty Rabnott Golden Snidget Preserve
• Urquhart Rackharrow – Inventor of the Entrail-expelling Curse, his portrait hangs in St Mungo's
• Mnemone Radford – Developed Memory Modifying Charms, first Obliviator, J. K. Rowling's Wizard of the Month for February 2007
• Xavier Rastrick – Wizard entertainer, vanished during a performance and was never seen again
• Helena Ravenclaw/The Grey Lady – Daughter of Rowena Ravenclaw, Ravenclaw House ghost, killed by the Bloody Baron
• Rowena Ravenclaw – Co-founder of Hogwarts, mother of Helena Ravenclaw
• Tom Riddle Sr – Muggle husband of Merope Gaunt, father of Tom Marvolo Riddle, killed by Lord Voldemort
• Tom Marvolo Riddle/Lord Voldemort – Son of Tom Riddle and Merope Gaunt, Dark Wizard, last living descendant of Salazar Slytherin, descendant of Cadmus Peverell, Slytherin student at Hogwarts, school prefect and Head Boy, leader of the Death Eaters, killed Lily and James Potter, killed after his Killing Curse backfired in Deathly Hallows because the Elder Wand refused to harm its true master, Harry Potter
• Harvey Ridgebit – Dragonologist, first wizard to catch a Peruvian Vipertooth, established world's largest dragon sanctuary in Romania, J. K. Rowling's Wizard of the Month for January 2007

List Of Harry Potter's Character "Q"

• Quigley – Irish Quidditch Beater
• Finbar Quigley – Quidditch player (possibly Beater) for the Ballycastle Bats
• Hambledon Quince – Claims that wizards are from Mars, Muggles are from Mushrooms, J. K. Rowling's Wizard of the Month for September 2006
• Orla Quirke – Ravenclaw student three years below Harry
• Quirinus Quirrell – Ravenclaw student in the 1960s or 70s, Muggle Studies and Defense Against the Dark Arts professor, possessed by Lord Voldemort in Philosopher's Stone
• Quong Po – Chinese dragonologist, studied the Chinese Fireball breed and discovered the used of their powdered eggs

List Of Harry Potter's Character "P"

• Grant Page – Ravenclaw Quidditch Keeper during Harry's time at Hogwarts
• Blythe Parkin – English Quidditch Seeker
• Walter Parkin – Wizard whose four sons and three daughters comprised the original Wigtown Wanderers Quidditch team
• Pansy Parkinson – Slytherin student in Harry's year, school prefect, member of the Inquisitorial Squad, dated Draco Malfoy for some time
• Padma Patil – Ravenclaw student in Harry's year, identical twin sister of Gryffindor student Parvati Patil, member of Dumbledore's Army, attends the Yule Ball with Ron Weasley
• Parvati Patil – Gryffindor student in Harry's year, identical twin sister of Ravenclaw student Padma Patil, member of Dumbledore's Army, attends the Yule Ball with Harry Potter
• Mr Payne – Muggle campground manager at the Quidditch World Cup
• Glanmore Peakes – Slayer of the Sea Serpent of Cromer
• Jimmy Peakes – Gryffindor Quidditch Beater three years below Harry
• Abraham Peasegood – American wizard who invented the game Quodpot
• Arnold Peasegood – Ministry of Magic employee, Obliviator for the Accidental Magic Reversal Squad, trained hit-wizard
• Cybèle Peltier – French Quidditch Seeker
• Daisy Pennifold – Created a special Quaffle called the Pennifold Quaffle
• Professor Phoebus Penrose – Heads a committee for the Ministry of Magic that produces a report entitled A Study into Muggle Suspicions About Magic
• Octavius Pepper – Reported missing by the Daily Prophet
• Perkins – Ministry of Magic employee and friend of Arthur Weasley
• Sally-Anne Perks – Hogwarts student in Harry's year
• Asgard Pettersson – Nordic Quidditch Beater
• Mrs Pettigrew – Mother of Peter Pettigrew, awarded the Order of Merlin
• Peter Pettigrew – Gryffindor student before Harry's time, Marauder, Animagus, Death Eater, traitor to the Order of the Phoenix, disguised himself as a pet rat belonging to first Percy and later Ron Weasley
• Antioch Peverell – Original owner of the Elder Wand, brother of Cadmus and Ignotus Peverell, killed in his sleep
• Cadmus Peverell – Original owner of the Resurrection Stone, brother of Antioch and Ignotus Peverell, ancestor of the Gaunt family and Lord Voldemort, killed himself
• Ignotus Peverell – Original owner of the Cloak of Invisibility, brother of Antioch and Cadmus Peverell, ancestor of the Potter family
• Arkie Philpott – Searched with a Probity Probe at Gringotts in Half-Blood Prince
• Justus Pilliwickle – Head of the Department of Magical Law Enforcement
• Irma Pince – Hogwarts librarian
• Carlotta Pinkstone – Proponent of lifting the Statute of Secrecy, J. K. Rowling's Wizard of the Month for November 2005
• Dagbert Pips – Proprietor of Pumpkins R Us
• Radolphus Pittiman – Biographer of Uric the Oddball
• Yardley Platt – Serial goblin-killer, J. K. Rowling's Wizard of the Month for February 2006
• Roderick Plumpton – Quidditch Seeker for the England National Team and the Tutshill Tornados, originator of the Plumpton Pass, and holder of the fastest recorded catch of the Golden Snitch (three-and-a-half seconds, in 1921)
• Josiah Plunkett - Quidditch referee
• Mirabella Plunkett – Fell in love with a merman, transfigured herself into a haddock
• Sturgis Podmore – Member of the Order of the Phoenix, imprisoned in Azkaban
• Royden Poke – Official from the Department for the Regulation and Control of Magical Creatures, involved in the Chipping Clodbury Riot
• Gulliver Pokeby – Author of Why I Didn't Die When the Augurey Cried, expert on magical birds
• Poliakoff – Durmstrang student at the same time as Viktor Krum, travelled to Hogwarts for the Triwizard Tournament
• Mrs Polkiss – Mother of Piers Polkiss
• Piers Polkiss – Friend of Dudley Dursley
• Poppy Pomfrey – Hogwarts school nurse
• Roddy Pontner – Placed a bet with Ludo Bagman at the Quidditch World Cup
• Petrova Porskoff – Quidditch Chaser from Russia, creator of the Porskoff Ploy
• Albus Severus Potter – Son of Harry Potter and Ginny Weasley, brother of James and Lily Potter, grandson of James Potter, Lily Evans, Arthur Weasley, and Molly Weasley
• Charlus Potter – Husband of Dorea Black, possible father of James Potter, possible grandfather of Harry Potter
• Dorea Potter (née Black) - Daughter of Cygnus Black I and Violetta Bulstrode, wife of Charlus Potter, possible mother of James Potter, possible grandmother of Harry Potter
• Ginny Potter – See Ginny Weasley
• Harry James Potter – Eponymous character of the series. Son of James Potter and Lily Evans, husband of Ginny Weasley, father of Albus Severus, James Sirius, and Lily Luna Potter, godfather of Teddy Remus Lupin, godson of Sirius Black, Gryffindor Quidditch Seeker and captain, Auror, founder of Dumbledore's Army, winner of the Triwizard Tournament, Only Known Master of Death, defeats Voldemort

List Of Harry Potter's Character "K"

• Igor Karkaroff – Reformed Death Eater, Highmaster of Durmstrang, presumably killed by Death Eaters before the events of Harry Potter and the Half-Blood Prince
• Lucy "Lucky" Karoonda – Australian Quidditch Seeker
• Gertie Keddle – Author of one of the earliest accounts of Quidditch
• Roland Kegg – President of the English Gobstones team
• Randolph Keitch – Quidditch player with the Falmouth Falcons, with Basil Horton founded the Comet Trading Company and invented the Horton-Keitch Braking Charm
• Elladora Ketteridge – Discovered the use of gillyweed
• Silvanus Kettleburn – Care of Magical Creatures professor during Harry's first two years at Hogwarts
• Aidan Kiely – Seeker for the Kenmare Kestrals Quidditch team
• Andrew Kirke – Gryffindor Quidditch Beater during Harry's fifth year at school
• Goodwin Kneen – Author of one of the earliest accounts of Quidditch, husband of Gunhilda Kneen
• Gunhilda Kneen – Wife of Goodwin Kneen, suffered from Dragon Pox
• Montague Knightley – Wizard Chess champion
• Asgeir Knutsen – Nordic Quidditch Beater
• Mr Krum – Father of Viktor Krum
• Mrs Krum – Mother of Viktor Krum
• Viktor Krum – Durmstrang student, Bulgarian Quidditch Seeker, participated in the Triwizard Tournament

List Of Harry Potter's Character "J"

• Joey Jenkins – Quidditch Beater with the Chudley Canons, featured in the book Flying With the Canons
• Leonard Jewkes – Creator of the Silver Arrow racing broom
• Arsenius Jigger – Author of Magical Drafts and Potions
• Angelina Johnson – Gryffindor student two years above Harry, Quidditch Chaser and captain, attended Yule Ball with Fred Weasley, wife of George Weasley and mother of Fred and Roxanne Weasley
• Gwenog Jones – Welsh witch, Hogwarts student before Harry's time, friend and disciple of Horace Slughorn, captain and beater for the Holyhead Harpies Quidditch team (an all-woman team), J. K. Rowling's Wizard of the Month for June 2004, heroine and role model for Ginny Weasley, who keeps a poster of Jones in her room
• Hestia Jones – Member of the Order of the Phoenix
• Jordan Sr – Father of Lee Jordan, owed money by Ludo Bagman
• Lee Jordan – Gryffindor student two years above Harry, Hogwarts Quidditch commentator, good friend of Fred and George Weasley at Hogwarts
• Bertha Jorkins – Hogwarts student before Harry's time, Ministry of Magic employee in the Department of Magical Games and Sports, killed by Voldemort
• Stamford Jorkins – Ministry of Magic spokesperson
• Jugson – Death Eater

List Of Harry Potter's Character "E"

E

• Lorcan d'Eath – Part-vampire singer, J. K. Rowling's Wizard of the Month for November 2006
• Matthew Echunga – Australian Quidditch Chaser
• Marietta Edgecombe – Ravenclaw student one year above Harry, traitor to Dumbledore's Army
• Madam Edgecombe – Works in the Floo Network Office, mother of Marietta Edgecombe
• Mordicus Egg – Author of The Philosophy of the Mundane: Why Muggles Prefer Not to Know
• Elena Eldritch – German Quidditch Beater
• Ellerby – Manufacturer of the 1940 Tinderblast broom
• Laurendrous Ellison – Disabled Muggle ambassador at Gringotts
• Wilfred Elphick – First to be gored by an Erumpment
• Lily Evans – See Lily Potter
• Mark Evans – Unrelated to the Evans family. Five years younger than Harry and his cousin Dudley, he was a victim of the terrors of Dudley's gang. M. E. is a Muggle. However, his surname, the same as Harry's mother's family, caused curiosity in many readers; J. K. Rowling has announced he is in no sense related to Lily or Petunia but a name she never considered.
• Petunia Evans - See Petunia Dursley
• Everard – Former Headmaster of Hogwarts, a particularly famous wizard, whose portrait hangs in many institutions, including the Ministry of Magic