| Work | Description | Characters |
|---|---|---|
| Bob's Burgers | American television series | 4 |
| Bocchi the Rock! | Japanese manga series | 6 |
| Bocchi the Rock! | Japanese anime television series | 6 |
| BoJack Horseman | American animated sitcom created by Raphael Bob-Waksberg | 6 |
| Boogeymen | Book by Mel Gilden | 6 |
| Book of Abraham | religious text of some Latter Day Saint churches | 1 |
| Book of Daniel | book of the Bible | 1 |
| Book of Esther | book | 1 |
| Book of Ezra | book of the Bible | 2 |
| Book of Giants | apocryphal Jewish book expanding a narrative in the Hebrew Bible, discovered at Qumran | 1 |
| Book of Hosea | book of the Bible | 1 |
| Book of Judith | book in the Septuagint, regarded as canonical in Roman Catholicism and Eastern Orthodoxy, but not in Judaism or some Christian traditions; narrates the story of Judith, a widow, who assassinates an enemy general, Holofernes | 1 |
| Book of Micah | king | 1 |
| Book of Mormon | sacred text of the Latter Day Saint movement | 2 |
| Book of Nehemiah | book of the Bible | 2 |
| Book of Tobit | deuterocanonical, apocryphal story about Tobit & Anna and their son Tobias and his adventures with Raphael | 4 |
| Book of Zechariah | book of the Bible | 1 |
| Books of Chronicles | the final books of the Jewish bible | 2 |
| Borat | 2006 mockumentary comedy film directed by Larry Charles | 1 |
| Borat Subsequent Moviefilm | 2020 film sequel to 2006's Borat! Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan | 1 |
| Borderlands 2 | 2012 action role-playing first-person shooter video game developed by Gearbox Software | 1 |
| Borderlands: The Pre-Sequel | 2014 action role-playing first-person shooter video game developed by 2K Australia | 1 |
| Boruto: Naruto Next Generations | 2016 anime television series and manga series | 18 |
| Bourne series | series of three novels by Robert Ludlum | 1 |
| Boy's Club | comic created by Matt Furie | 1 |
| Bram Stoker's Dracula | 1973 television movie directed by Dan Curtis | 2 |
| Bram Stoker's Dracula's Curse | 2006 film by Leigh Scott | 2 |
| Brave | 2012 American computer-animated fantasy film | 1 |
| Brave Little Tailor | 1938 Mickey Mouse short by Bill Roberts | 1 |
| Brave New World | novel by Aldous Huxley | 1 |
| Breakfast at Tiffany's | 1958 novella by Truman Capote | 1 |
| Breakfast at Tiffany's | 1961 romantic comedy movie directed by Blake Edwards | 1 |
| Breaking Bad | American television series (2008–2013) | 17 |
| Bridgerton | American television series | 2 |
| Bridgerton, season 1 | season of television series | 1 |
| Bridgerton, season 2 | season of television series | 1 |
| Bridget Jones's Diary | 1996 novel by Helen Fielding | 1 |
| Bright Star | musical | 1 |
| Broadchurch | British crime drama TV series, 2013-2017 | 1 |
| Brokeback Mountain | 2005 film directed by Ang Lee | 1 |
| Brokeback Mountain | short story by Annie Proulx | 1 |
| Broken Blade | Japanese manga series | 1 |
| Broken Bow | book | 3 |
| Broken Bow, Part I | episode of Star Trek: Enterprise (S1 E1) | 1 |
| Broken Circle | Mission in Star Trek: Online | 1 |
| Broken Pieces | 8th Episode of Star Trek: Picard | 4 |
| Brooklyn Nine-Nine | American police sitcom | 7 |
| Brother | episode of Star Trek: Discovery (S2 E1) | 1 |
| Brotherhood: Final Fantasy XV | 2016 Japanese anime series | 1 |
| Btooom! | Japanese manga series | 1 |
| Btooom! | Japanese anime television series | 1 |
| Buffy the Vampire Slayer | 1992 American horror comedy film directed by Fran Rubel Kuzui | 1 |
| Buffy the Vampire Slayer | 1997 American supernatural drama TV series | 7 |
| Buffy the Vampire Slayer | 2002 Xbox video game | 4 |
| Buffy the Vampire Slayer: Chaos Bleeds | 2003 video game | 1 |
| Buffyverse | fictional universe for Buffy the Vampire Slayer and Angel | 1 |
| Bully | 2006 action-adventure video game | 1 |
| Bungo and Alchemist: Gears of Judgement | Japanese anime television series | 1 |
| Bungo Stray Dogs | Japanese anime television series | 1 |
| Bungo Stray Dogs | Japanese manga series by Kafka Asagiri | 1 |
| BURN-E | 2008 animated short film by Angus MacLane | 1 |
| Burn Notice | American television series | 5 |
| Bushwhacked | episode of Firefly (S1 E3) | 2 |
| Buzz Lightyear of Star Command | television series based on Toy Story | 1 |
| Buzz Lightyear of Star Command: The Adventure Begins | 2000 film by Tad Stones | 2 |
| Buzzy Boop | 1938 film by Dave Fleischer | 1 |
| Buzzy Boop at the Concert | 1938 film by Dave Fleischer | 1 |
| By the Book | Book by Dean Wesley Smith and Kristine Kathryn Rusch, from 2002 | 3 |
| Californication | American comedy-drama television series | 1 |
| Call for the Dead | novel by John le Carré | 1 |
| Call Me by Your Name | 2017 film by Luca Guadagnino | 1 |
| Call Me By Your Name | novel by André Aciman | 1 |
| Call of Duty | video game franchise | 1 |
| Call of Duty: Heroes | 2014 free-to-play real-time strategy video game developed by Faceroll Games | 1 |
| Call of Duty: Mobile | 2019 first-person shooter video game | 1 |
| Call of Duty: Modern Warfare 2 | 2009 video game developed by Infinity Ward | 1 |
| Call of Duty: Modern Warfare 2 Campaign Remastered | 2020 first-person shooter video game, remaster version of Call of Duty: Modern Warfare 2 | 1 |
| Call of Duty Online | 2012 video game | 1 |
| Call to Arms | Book by Diane Carey, from 1998 | 12 |
| Calvin and Hobbes | comic strip by Bill Watterson | 1 |
| Camelot | 1967 musical film directed by Joshua Logan | 1 |
| Camera Café | Italian television series | 1 |
| canon of Sherlock Holmes | 56 short stories and four novels written by Sir Arthur Conan Doyle | 4 |
| Caprice | 2015 film by Emmanuel Mouret | 1 |
| Captain America: Civil War | 2016 superhero film produced by Marvel Studios | 10 |
| Captain America: The First Avenger | 2011 superhero film produced by Marvel Studios | 4 |
| Captain America: The Winter Soldier | 2014 superhero film produced by Marvel Studios | 7 |
| Captain Marvel | 2019 superhero film produced by Marvel Studios | 5 |
| Captain's Blood | book by William Shatner | 5 |
| Captain's Glory | book by William Shatner | 11 |
| Captain's Peril | book by William Shatner | 2 |
| Captain Stormfield's Visit to Heaven | book | 1 |
| Captain Underpants | children's novel series by Dav Pilkey | 2 |
| Captain Underpants: The First Epic Movie | 2017 film by David Soren | 1 |
| Captive Pursuit | episode of Star Trek: Deep Space Nine (S1 E6) | 5 |
| Capture the Flag | Book by John Vornholt, from 1994 | 1 |
| Cardassians | episode of Star Trek: Deep Space Nine (S2 E5) | 3 |
| Cardassia: The Lotus Flower | Book by Una McCormack, from 2004 | 6 |
| Cards on the Table | book | 1 |
| Caretaker | book | 7 |