List of Harry Potter characters "B"

• Bathsheda Babbling – Ancient Runes teacher at Hogwarts
• Malcolm Baddock – Slytherin student who is at Hogwarts during Harry's fourth year
• Mr Bagman – Father of Ludovic and Otto Bagman, friend of Death Eater Augustus Rookwood
• Ludovic Bagman – Quidditch Beater for the Wimbourne Wasps and Head of the Department of Games and Sports within the Ministry of Magic
• Otto Bagman – Brother of Ludovic Bagman
• Millicent Bagnold (Not to be confused with Millicent Bulstrode) – Minister for Magic before Cornelius Fudge
• Bathilda Bagshot – Author of A History of Magic, great aunt of Gellert Grindelwald. She is portrayed by Hazel Douglas in Harry Potter and the Deathly Hallows: Part 1.
• Heathcote Barbary – Guitarist for the Weird Sisters
• Musidora Barkwith – Composer noted for her work, Wizarding Suite
• Baruffio – Namesake of 'Baruffio's Brain Elixir'
• Ali Bashir – Flying carpet merchant who attempts to establish a flying carpet business in Britain in Goblet of Fire
• Basil – An employee of the Ministry of Magic who organizes Portkeys for wizards and witches
• Hetty Bayliss – Muggle who witnesses Arthur Weasley's flying Ford Anglia
• Oswald Beamish – Goblin rights pioneer
• Herbert Beery – Past Herbology teacher at Hogwarts who left to teach at the Wizarding Academy of Dramatic Arts
• Flavius Belby – First wizard to write about the lethifold 
  
  
• Marcus Belby – Ravenclaw student at Hogwarts one year above Harry Potter and nephew of the inventor of the Wolfsbane potion
• Humphrey Belcher – Wizard who experimented with cheese cauldrons
• Katie Bell – Gryffindor student one year above Harry Potter; Chaser on the Gryffindor Quidditch team.
• Amy Benson – Girl at the orphanage with Tom Marvolo Riddle
• Cuthbert Binns – Ghost, History of Magic professor
• Dennis Bishop – Boy at the orphanage with Tom Marvolo Riddle
• Alphard Black – Son of Pollux Black and Irma Crabbe, brother of Cygnus and Walburga Black, maternal uncle to Sirius Black and Regulus Arcturus Black, disowned for financially supporting Sirius Black after he left home to live with the Potter family
• Andromeda Black – See Andromeda Tonks
• Arcturus Black – Unknown
• Arcturus Black – Son of Hesper Gamp, husband of Melania MacMillan, father of Lucretia and Orion Black
• Bellatrix Black – See Bellatrix Lestrange
• Callidora Black – See Callidora Longbottom
• Cassiopeia Black – Daughter of Cygnus Black and Violetta Bulstrode, sister of Pollux, Marius, and Dorea Black
• Cedrella Black – See Cedrella Weasley
• Charis Black – See Charis Crouch
• Cygnus Black – Son of Pollux Black and Irma Crabbe, brother of Walburga and Alphard Black, husband of Druella Rosier, father of Bellatrix, Andromeda, and Narcissa Black, maternal uncle to Sirius and Regulus Arcturus Black, great-grandson of Phineas Nigellus Black
• Dorea Black – Daughter of Cygnus Black and Violetta Bulstrode, sister of Pollux and Cassiopeia Black, mother of Charlus Potter's son
• Druella Black (née Rosier) – Wife of Cygnus Black, mother of Bellatrix, Andromeda and Narcissa Black
• Elladora Black – Sister of Phineas Nigellus, Sirius, and Isla Black
• Irma Black (née Crabbe) – Wife of Pollux Black, mother of Walburga, Alphard and Cygnus Black
• Isla Black – See Isla Hitchens
• Lucretia Black – See Lucretia Prewett
• Lysandra Black (née Yaxley) – Wife of Arcturus Black, mother of Callidora, Charis and Cedrella Black
• Marius Black – Son of Cygnus Black and Violetta Bulstrode, brother of Pollux, Cassiopeia and Dorea Black, disowned for being a Squib
• Melania Black (née MacMillan) – Wife of Arcturus Black, mother of Lucretia and Orion Black
• Narcissa Black – See Narcissa Malfoy
• Orion Black – Son of Arcturus Black and Melania MacMillan, brother of Lucretia Black, husband of Walburga Black, father of Sirius and Regulus Arcturus Black
• Phineas Black – Son of Phineas Nigellus Black and Ursula Flint, brother of Sirius, Cygnus, Belvina and Arcturus Black, disowned for supporting Muggle rights
• Phineas Nigellus Black – Brother of Sirius, Elladora, and Isla Black, husband of Ursula Flint
• Pollux Black – Son of Cygnus Black and Violetta Bulstrode, brother of Cassiopeia, Marius and Dorea Black, husband of Irma Crabbe, father of Walburga, Alphard and Cygnus Black
• Regulus Arcturus Black – Son of Orion and Walburga Black, brother of Sirius Black, Slytherin Quidditch Seeker, reformed Death Eater
• Sirius Black – Brother of Phineas Nigellus, Elladora and Isla Black, died at a young age
• Sirius Black – Son of Phineas Nigellus and Ursula Flint,
• Sirius Black – Son of Orion and Walburga Black, brother of Regulus Arcturus Black, godfather of Harry Potter, Gryffindor student at Hogwarts (only Black not to be in Slytherin), Animagus, disowned for running away from home to live with the Potter family, member of the Order of the Phoenix, killed by his cousin Bellatrix Lestrange
• Ursula Black (née Flint) – Wife of Phineas Nigellus Black, mother of Sirius, Phineas, Cygnus, Belvina and Arcturus Black
• Violetta Black (née Bulstrode) – Wife of Cygnus Black, mother of Pollux, Cassiopeia, Marius and Dorea Black
• Walburga Black (née Black) – Daughter of Pollux Black and Irma Crabbe, sister of Alphard and Cygnus Black, wife of Orion Black, mother of Sirius and Regulus Arcturus Black
• Balfour Blane – Established the Committee on Experimental Charms
• Timothy Blenkinsop – Puddlemere United supporter
• Bletchley – Ministry of Magic employee whose office was drenched with rain
• Miles Bletchley – Keeper on the Slytherin Quidditch team during Harry's time at Hogwarts
• Beatrix Bloxam (1794–1910) – Author of the banned children's book series The Toadstool Tales
• Blodwyn Bludd – Vampire who was known as the 'Vampire of the Valleys'. Famous for singing to his victims before biting them in their neck.
• Stubby Boardman – Lead singer of the Hobgoblins, claimed in the Quibbler to be Sirius Black's identity
• Melinda Bobbin – Hogwarts student during Harry's time at school, her family owns a chain of apothecaries
• Broderick Bode – Ministry of Magic employee in the Department of Mysteries, killed by Devil's Snare
• Bole – Slytherin Quidditch Beater
• Pierre Bonaccord – First Supreme Mugwump of the International Confederation of Wizards
• Amelia Susan Bones – Head of the Department of Magical Law Enforcement, aunt of Susan Bones
• Edgar Bones – Member of the original Order of the Phoenix, brother of Amelia Susan Bones, uncle of Susan Bones
• Susan Bones – Hufflepuff student in Harry's year, member of Dumbledore's Army
• Mungo Bonham – Healer who founded St Mungo's Hospital for Magical Ailments and Injuries, Wizard of the Month on J. K. Rowling’s website for March 2005
• Terry Boot – Ravenclaw student in Harry's year, member of Dumbledore's Army.
• Libatius Borage – Author of Advanced Potion-Making
• Borgin – Proprietor of Borgin and Burkes in Knockturn Alley
• Bertie Bott – Creator of Bertie Bott's Every Flavour Beans
• Bradley – Chaser on the Ravenclaw Quidditch team during Harry's time at Hogwarts
• Barberus Bragge – Chief of the Wizards' Council, introduced the Golden Snitch to Quidditch
• Betty Braithwaite – Reporter for the Daily Prophet
• Rudolf Brand – Captain of the Heidelberg Harriers Quidditch team
• Eleanor Branstone – Hufflepuff student who entered Hogwarts in Harry's fourth year
• Karl Broadmoore – Beater for the Falmouth Falcons Quidditch team with his brother Kevin
• Kevin Broadmoore – Beater for the Falmouth Falcons Quidditch team with his brother Karl
• Mandy Brocklehurst – Ravenclaw student in Harry's year
• Rupert "Axebanger" Brookstanton – Name across which Hermione Granger came while searching for the identity of R.A.B.
• Lavender Brown – Gryffindor student in Harry's year, member of Dumbledore's Army, briefly dates Ron Weasley, attends the Yule Ball with Seamus Finnigan
• Frank Bryce – Muggle gardener for the Riddle family, murdered by Lord Voldemort
• Millicent Bulstrode – Slytherin student in Harry's year, member of Umbridge's Inquisitorial Squad
• Rosalind Antigone Bungs – Name across which Hermione Granger came while searching for the identity of R.A.B.
• Charity Burbage – Professor of Muggle Studies at Hogwarts during Harry's time at school, killed by Lord Voldemort in Deathly Hallows
• Caratacus Burke – Co-founder of Borgin and Burkes. Cheated Merope Gaunt, buying a precious heirloom from her at a pittance
• Belvina Burke (née Black) – Daughter of Phineas Nigellus Black and Ursula Flint, sister of Sirius, Phineas, Cygnus and Arcturus Black, wife of Herbert Burke, mother of two sons and one daughter
• Herbert Burke – Husband of Belvina Black, father of two sons and one daughter
• Randolph Burrow – Ravenclaw Quidditch Chaser during Harry's time at Hogwarts
  
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