- Classics Reimagined, Edgar Allan Poe
- Classics Reimagined, The Strange Case of Dr. Jekyll and Mr. Hyde
- Classics Reimagined, The Time Machine
- Claude Mercoeur’s Reflection and Other Strange Stories
- Claudius (Vampire Morsels)
- Claustrophobia
- Clawful Reflections
- Claws (A Jack Nightingale Short Story)
- Claws and Robbers
- Clay Cross
- Clean Hands
- Cleaners and Other Stories
- Cleaning Up
- Cleansing Flames
- Cleanup Crew
- Click (A Tale of Revenge)
- Clickety Clackers
- Climax
- Cloak -- A Protector Story
- Clocking Out
- Clonenstein
- Close
- Close Reach
- Closed Campus
- Closer (Bay City Paranormal Investigations book 4)
- Closing Crew
- Closing Shift
- Closing Time
- Clouds
- Clouds Before Rain
- Clouds: An SF/Horror Story
- Clouds: An SF/Horror Story
- Cloudy with a Chance of Zombies
- Cloven
- Clown - A Horror Short Story
- Clown Eater
- CLOWNFLEISCH
- Clowning Around
- Clowns Vs Zombies
- Club Twisted
- Clyde
- Cmentarz Zielonego Krzyża
- Cmętarz zwieżąt
- CNSEV Tormalinas, Lost
- Coat Drama (Harlem's Deck 2)
- Cockroach Suckers
- Cockshut Grange
- C********r
- Cocoon
- Code 30
- Code Wolf
- Code Zero
- Cody Rexell and the Cannibal Death Camp
- Cody Rexell: Monster Hunter
- Coeur de chien
- Coffee @ Pequods!
- Coffin Dust
- Coincidence
- Coincidences
- Coisas Que A Noite Sempre Escondeu
- Colapso (Flash Relatos)
- Cold Alone: A Bliss House Story
- Cold Blood
- Cold Blood: The End (More Dead Than Human, More Human Than Dead)
- Cold Crypt Cellars
- Cold Grey Stones
- Cold Hard Truth
- Cold Iron
- Cold Moon Over Babylon
- Cold on the Mountain
- Cold Revenge
- Cold Sake
- Cold Spots
- Cold Stream
- Cold Turkey
- Cold Turkey for Christmas
- Cold Vengeance
- Cold Whisper
- Cold White Fury
- Cold Zero
- Cold Zero - Parte Seconda
- Coldbrook
- Colder Still
- Colder Than Ice
- Colebrook
- Colección Clásica de Horror (Golden Deer Classics)
- Colección Drácula
- Colección integral de Alejandro Dumas
- Colección Sobrenatural: Vampiros
- Coleoptera
- Coletânea de Terror: 10 Contos de Terror