- Code Onyx
- Code Presque Espion
- Code Red
- Code Red. Switch Point Series (Season One:Episode Two)
- CODE STALINGRAD
- CODE STALINGRAD - Tome 2
- Code Teal
- Code Three
- Code Vision 1
- Code Vision 2
- Code Walker
- Code Walkers
- Code Word Access
- Code Word Azurelight
- Code World: Signs of the Apocalypse
- Code X Discovery
- Code: Shadow
- Codename Blade - Die übernatürlichen Fälle der Agentin Clements
- Codename Omega
- Codename Omega: Omega Rising
- Codename Rook - Die übernatürlichen Fälle der Agentin Thomas
- Codename Salamander
- Codename Underground
- Codename W Book Four
- Codename W Book One
- Codename W Book Three
- Codename W Book Two
- Codename W: The Complete Series
- Codename: Velocity
- Coders
- Codespell
- Codex
- CoDex 1962
- Codex AitiRomaXeS
- Codex Alera 1
- Codex Alera 2
- Codex Alera 3
- Codex Alera 4
- Codex Alera 5
- Codex Alera 6
- Everna Saga: Codex Evernium - A Bounty Hunter's Guide to Terra Everna - First Edition
- Codex Hyperboreanus
- Codex Rosmanicus: Twelve Tales of Enchantment
- Codex Rosmanicus: Twelve Tales of Enchantment ~Compiled by Jaren the Traveller
- Codex Umbra (Bookburners Season 1 Episode 11)
- Codice
- Codice a bare
- Codice Hercules (Urania)
- Codice Redox - La sesta compagnia
- CodiceMixe2012
- CodiceMixe2012fr
- Codicia (Ángeles caídos 1)
- Codify Y
- Cody's Dragon
- Cody: Ungebetene Gäste
- Coe Pidaria
- Coed Demon Sluts: Amanda
- Coed Demon Sluts: Beth
- Coed Demon Sluts: Jee
- Coed Demon Sluts: Melitta
- Coed Demon Sluts: Omnibus
- Coed Demon Sluts: Pog
- Coedus - Kampf in der Dämmerung
- Coerced Assassin
- Coercing my Coed
- Coercion
- Coeur de bois
- Coeur de chien
- Coeur de flammes, tome 3
- Coeur de flammes, Tome 3.5
- Coeur de flammes, tome 4
- Coeur de Lune
- Coeur de pierre
- Coeur Mécanique
- Coeurs et âmes
- Coexist
- Coexistence
- Cof
- Cofanetto Guardiani Alfa
- Cofanetto La Colonia
- Cofanetto Programma Spose Interstellari
- Coffee and Change
- Coffee Cup
- Coffee Cup Dreams (A Redpoint One Romance)
- Coffee from Colombia
- Coffee Please
- Coffee Run
- Coffee Time Stories
- Coffee, Soul and Music
- Coffee: 14 Caffeinated Tales of the Fantastic
- Coffee? Perhaps Tea?
- Coffeeshop
- Coffin for Two
- Coffin Island
- Coffin Road
- Coffins for Two
- Coffret Mémoires d'un Vampire (Tomes 1-12)
- Cog
- Cogento
- Cogito, Ergo Sum
- Cognizance
- Cogs and Corsets: The Anise Buttersby Series Book 1
- Cogs: Grease, Dust, Steam, & Magyk (An Aeropæia Story)
- Coil and Strike (The Jinni and the Isekai, #3)
- Coiled
- Coiled Danger
- Coiled Vengeance
- Coin
- Coincidental Magic: A Spanky Adventure
- Coincidental Prophecy
- Coincidenze
- Coins de Paris
- Coins Not Accepted
- Coins of Chaos
- Coiper Belt
- Coitus Interruptus Dentalis
- Cokie Goes Treasure Hunting