
Here you can find detailed character biographies and also a list of all the characters in the book series. See incorrect information in this section? Let Kristus know!
Characters are sorted by last name. A question mark denotes that the name (first or last) is unknown. This list was created with help from Griffindan5.
Characters
Those names that can be found in the Harry Potter series are in white text.
Those names that can be found in Quidditch Through the Ages are in green text.
Those names that can be found in Fantastic Beasts & Where to Find Them are in red text.
Those names that can be found on the Official J.K. Rowling Website are in blue text.
| Character | Description |
| Lestrange, Bellatrix | Sirius' cousin and murderer. |
| Lestrange, Rabastan | Rodolphus' brother. |
| Lestrange, Rodolphus | Belltrix's husband. |
| Levski, ? | Bulgarian National Quidditch Player. |
| Llewellyn, Dai | Ward at St. Mungo's Hospital for Magical Maladies and Injuries is probably named after him and his biography, written by Kennilworthy Whisp, is The Wonder of Wigtown Wanderers, He Flew Like a Madman and he was eaten by a Chimaera while on holiday in Mykonds, Greece. |
| Lochrin, Guthrie | A Scottish wizard who wrote about his broomstick flying in 1107 |
| Lockhart, Gilderoy | Former Defense Against the Dark Arts teacher. Lost his memory. A Wizard celebrity. |
| Longbottom?, Algie | Neville's great uncle |
| Longbottom?, Enid | Neville's great aunt |
| Longbottom, Frank | Neville's father who was tortured by Bellatrix Lestrange and lost his memory. |
| Longbottom, Neville | An extremely forgetful Gryffindor student. |
| Lovegood, Luna | An eccentric Ravenclaw student. Her father owns and publishes The Quibbler |
| Lupin, Remus | Former Defense Against the Dark Arts teacher. Is a werewolf. |
| MacDougal, Morag | Student at Hogwarts mentioned in the sorting. |
| Lynch, Aidan | Irish National Quidditch Team seeker |
| MacBoom Clan | Said to have been transfigured into Quintapeds. |
| MacBoom, Quintius | Said to have led to the death of Dugald McClivert. |
| Macmillan, Ernie | Hufflepuff student; friend of Justin Finch-Fletchley, who was petrified when the Chamber of Secrets was opened. |
| Macnair, Walden | Executioner for the Ministry of Magic and a Death Eater. |
| Macdonald, Mangus | Started a campaign to reintroduce Creaothceann in the 1960s. |
| MacDougal, Morag | A Hogwarts student. |
| MacFarlan, Hamish | Montrose Magpies captain. |
| MacFusty Clan | Dwelled in the Hebrides for centuries and have traditionally taken responsibility for the management of their native dragons. |
| Madley, Laura | A Hufflepuff student. |
| Mafalda | Mrs. Weasley's stock broker, second cousin's daughter who is a nosy know-it-all Slytherin. |
| Magorian | Chestnut centaur who lives in the Forbidden Forest. |
| Malecrit | French playwright who wrote "Helas, Je me suis Transfigure Les Pieds." |
| Malfoy, Draco | Harry's arch-nemesis. A Slytherin student and seeker. |
| Malfoy, Lucius | Draco's father. |
| Malfoy, Narcissa | Draco's pale-faced mother. |
| Malkin, Madam | Owns robe shop. |
| Marchbanks, Griselda | Head of the Wizarding Examinations Authority, O.W.L. examiner, and a Wizengamot elder and is loyal to Dumbledore. |
| Mason, Mr. and Mrs. | A rich builder and wife who come to a dinner party at the Dursley's on Harry's twelfth birthday. |
| Mauler | One of Newt Scamander's pet kneazles. |
| Maxime, Olympe | Half-giant headmistress of Beauxbatons Academy. |
| McClivert Clan | Said to have transfigured the MacBoom clan into Quintapeds. |
| McClivert, Dugald | Said to have dueled with Quintius MacBoom. |
| McCormack, Catriona | Pride of Portee Chaser. |
| McCormack, Kirle | Lead guitarist of the Weird Sisters and son of Catriona McCormack. |
| McCormack, Meaghan | Pride of Portee keeper and daughter of Catriona McCormack. |
| McDonald, Morag | A Hogwarts student. |
| McDonald, Natalie | A Gryffindor student. |
| McGonagall, Minerva | The strict Transfiguration teacher. Is Head of Gryffindor house and Deputy Headmistress of Hogwarts. |
| McGuffin, Jim | Muggle weatherman. |
| McKinnons, Marlene | Former member of the Order of the Phoenix who was killed along with her family. |
| Meadowes, Dorkas | Personally killed by Voldemort while in the Order of the Phoenix. |
| Melifua, Araminta | Cousin of Sirius' mother that tried to force through a Ministry bill to make Muggle-hunting legal. |
| Merlin | Character on Chocolate Frog card. |
| Midgeon, Eloise | Hogwarts pupil who accidently removed her nose while trying to cure her acne. |
| Milly | One of Newt Scamander's pet kneazles. |
| Mimsy-Porpington, Sir Nicholas de | Nearly Headless Nick's real name. |
| Moaning Myrtle | Unhappy girl ghost that haunts the upstairs girls' bathroom. |
| Mockridge, Cuthbert | Head of the Goblin Liaison Office. |
| Moody, Alastor | Former Defense Against the Dark Arts teacher. Highly successful auror, was stunned and kept in a box throughout the entire schoolyear at Hogwarts while he was being impersonated by the late Bartemius Crouch Jr. |
| Moon, ? | Hogwarts student mentioned in sorting. |
| Moony | Remus Lupin's childhood nickname. |
| Moor, Badmin | Never caught the snitch in a game in 1884. |
| Mopsy | A batty dog lover that lives on the edge of Hogsmeade. |
| Moran, ? | Irish National Quidditch Player |
| Morgan, Gwendolyn | Holyhead Harpies player. |
| Morgana | Character on Chocolate Frog card. |
| Mosag | Acromantula who is Aragog's wife. |
| Mostafa, Hassan | Quidditch World Cup referee, Chairwizard of the International Assosiation of Quidditch. |
| Mrs. Norris | Filch's cat that stalks the hallways of Hogwarts in search of any rule-breaking. |
| Mulciber | Death Eater who specialized in the Imperius curse. |
| Muldoon, Burdocka | Chief of the wizards council in the fourteenth century. |
| Mullet, ? | Irish National Quidditch Player |
| Mumps, Zacharias | Set down the first full description of Quidditch in 1398. |
| Murray, Eunice. | Montrose Magpies seeker. |
| Nagini | Voldemort's snake. |
| Nearly Headless Nick | The Gryffindor house resident ghost. His head is held on by a miniscule piece of flesh. |
| Nettlez, Z. | Customer of the quikspell course. |
| Nigellus, Phineas | Sirius' great-great-grandfather and least popular headmaster Hogwarts ever had. |
| Norbert | Hagrid's Norweigan Ridgeback dragon. |
| Nott, Theodore | A Death Eater equal to that of Lucius Malfoy. |
| Nott Jr., Theodore | A Slytherin student. |
| Ogden, Tiberius | A Wizengamot elder. |
| O'Hare, Darren | Kenmare Kestrels' keeper and Heidelberg Harriers' captain. |
| Olaf | Cousin of Goodwin Keen. |
| Ollerton, Barnaby | One of the creators of the Clean Sweep company. |
| Ollerton, Bill | One of the creators of the Clean Sweep company. |
| Ollerton, Bob | One of the creators of the Clean Sweep company. |
| Ollivander, ? | owns wand shop. |
| Oona | A person from an inn mentioned in Goodwin Keen's letter. |