| Work | Description | Characters |
|---|---|---|
| Carlito's Way | 1993 film directed by Brian De Palma | 1 |
| Carlito's Way: Rise to Power | 2005 film by Michael Bregman | 1 |
| Carnival Phantasm | manga and anime | 2 |
| Carpenter Street | episode of Star Trek: Enterprise (S3 E11) | 3 |
| Cars | 2007American animated film produced by Pixar Animation Studios and directed by John Lasseter | 2 |
| Cartoon Network Racing | 2006 video game | 1 |
| Casino Royale | 1954 film directed by William H. Brown Jr. | 2 |
| Casino Royale | novel by Ian Fleming | 2 |
| Casino Royale | 2006 James Bond film by Martin Campbell | 2 |
| Casino Royale | 1967 James Bond spy comedy film | 2 |
| Castle | American crime drama television series | 1 |
| Castlevania | video game series | 3 |
| Castlevania III: Dracula's Curse | video game (1989) | 1 |
| Catalyst: A Rogue One Novel | book by James Luceno | 1 |
| Cat Among the Pigeons | book | 1 |
| Catch-22 | 1970 film directed by Mike Nichols | 1 |
| Catch-22 | 2019 miniseries based on the 1961 novel of the same name | 1 |
| Catch-22 | novel by the American author Joseph Heller | 1 |
| Catching Fire | 2009 novel by Suzanne Collins | 2 |
| Cathedral | Book by Michael A. Martin and Andy Mangels, from 2002 | 11 |
| Catherine: Full Body | 2019 video game | 2 |
| Cats | 1981 musical by Andrew Lloyd Webber | 1 |
| Cease Fire | episode of Star Trek: Enterprise (S2 E15) | 1 |
| Chain of Attack | book by Gene DeWeese | 4 |
| Chainsaw Man | Japanese anime television series | 7 |
| Chainsaw Man | Japanese media franchise | 7 |
| Chains of Command | Book by Bill McCay and Eloise Flood, from 1992 | 5 |
| Challenge of the Super Friends | television series | 1 |
| Chapter 16: The Rescue | episode of The Mandalorian (S2 E8) | 1 |
| Charlie and the Chocolate Factory | book by Roald Dahl | 3 |
| Charlie's Law | short story | 5 |
| Charmed | American supernatural drama / fantasy television series (1998–2006) | 7 |
| Charmed | comic book that is an officially licensed continuation of the popular The WB television series of the same name | 7 |
| Chasing Amy | 1997 film directed by Kevin Smith | 1 |
| Chasing Dogma | Comic Mini Series | 1 |
| Cheers | American TV sitcom, 1982–1993 | 2 |
| Chihayafuru | Japanese anime television series | 2 |
| Chihayafuru | 2007 manga series by Yuki Suetsugu | 2 |
| Children of Dune | 1976 novel by Frank Herbert | 3 |
| Children of the Mind | Book by Orson Scott Card | 1 |
| Child's Play | horror film franchise focusing on Chucky, a killer doll | 1 |
| Chilling Adventures of Sabrina | American comic book published by Archie Horror, an imprint of Archie Comics, beginning in 2014 | 2 |
| Chilling Adventures of Sabrina | American supernatural television series (2018–2020) | 2 |
| Chimes at Midnight | 1965 film by Orson Welles | 1 |
| Chopin: Desire for Love | 2002 Biographical film directed by Jerzy Antczak | 1 |
| Christmas, His Masque | play written by Ben Jonson | 1 |
| Christmas on Bear Mountain | 1947 Donald Duck comic book story by Carl Barks | 1 |
| Christophe Colomb | opera in two parts by the French composer Darius Milhaud, with libretto by Paul Claudel based on his own play about the life of Christopher Columbus | 1 |
| Chronicle | 2012 film by Josh Trank | 3 |
| Chrysalis | Book by David Niall Wilson, from 1997 | 6 |
| Cinderella | 1950 American animated musical fantasy film produced by Walt Disney and released by RKO Radio Pictures | 2 |
| Citizen Kane | 1941 American drama film directed by Orson Welles | 1 |
| City Hunter | Japanese anime television series | 1 |
| City Hunter | Japanese manga series | 1 |
| City Hunter: .357 Magnum | 1989 film by Kenji Kodama | 1 |
| City Hunter: Bay City Wars | 1990 film by Kenji Kodama | 1 |
| City Hunter: Death of the Vicious Criminal Ryo Saeba | Japanese anime television special | 1 |
| City Hunter: Goodbye My Sweetheart | Japanese anime television special | 1 |
| City Hunter: Million Dollar Conspiracy | 1990 film by Kenji Kodama | 1 |
| City Hunter Movie: Shinjuku Private Eyes | 2019 film | 1 |
| City Hunter: The Secret Service | Japanese anime television special | 1 |
| City Hunter XYZ | fan film by Filip Wong | 1 |
| Civilization V | 2010 turn-based strategy video game | 8 |
| Civilization VI | 2016 turn-based strategy video game | 8 |
| Clannad | 2007 film by Osamu Dezaki | 2 |
| Clannad | 2004 video game developed by Key | 3 |
| Clannad | Japanese anime television series | 3 |
| Clannad After Story | 2008 anime television series | 1 |
| Clarice | horror television series by Alex Kurtzman | 1 |
| Class | British television series, spin-off of Doctor Who | 1 |
| Classic of Filial Piety | Confucian treatise on filial piety; probably from 4th century BCE; attributed to a conversation between Confucius and Zengzi | 1 |
| Classroom Crisis | Japanese anime television series | 1 |
| Classroom of the Elite | Japanese anime television series | 1 |
| Cléo from 5 to 7 | 1962 film by Agnès Varda | 1 |
| Clerks | 1994 film directed by Kevin Smith | 1 |
| Clerks II | 2006 American comedy film directed by Kevin Smith | 1 |
| Cloak | Book by S. D. Perry, from 2001 | 5 |
| Clone High | American adult animated television series | 4 |
| Closing Time | novel by Joseph Heller | 1 |
| Cloudy with a Chance of Meatballs | 2009 American computer-animated science fiction comedy film | 1 |
| Cloudy with a Chance of Meatballs 2 | 2013 American computer-animated science fiction comedy film | 1 |
| Cloudy with a Chance of Meatballs: The Series | Canadian-American animated comedy television series | 1 |
| Cobra Kai | American television series taking place after the original The Karate Kid films | 3 |
| Code Geass Lelouch of the Rebellion | Japanese anime television series | 9 |
| Codename: Sailor V | Manga created by Naoko Takeuchi, Predescesor to Sailor Moon | 1 |
| Codename Villanelle | Novella series | 1 |
| Columbo | American detective television film series (1968-1978, 1989-2003) | 1 |
| Combatants Will Be Dispatched! | Japanese light novel series | 1 |
| Comet in Moominland | book by Tove Jansson | 1 |
| Command & Conquer | video game series | 1 |
| Command & Conquer 3: Kane's Wrath | 2008 expansion video game to Command & Conquer 3: Tiberium Wars | 1 |
| Command & Conquer 3: Tiberium Wars | 2007 video game | 1 |
| Command & Conquer 4: Tiberian Twilight | video game | 1 |
| Command & Conquer: Red Alert | 1996 video game | 1 |
| Command & Conquer: Renegade | 2002 video game | 1 |
| Command & Conquer: The Covert Operations | expansion video game to the video game Command & Conquer | 1 |
| Communication Breakdown | Mission in Star Trek: Online | 1 |
| Community | American comedy television series created by Dan Harmon | 3 |
| Conan the Barbarian | collection of five fantasy short stories by American writer Robert E. Howard | 1 |
| Conan the Barbarian | collection of six fantasy short stories written by Robert E. Howard | 1 |