- Coven; Short Stories of Sci-fi and Fantasy
- Coyote Ugly
- Crack of Doom
- Cracking the Sky
- Crash, Part 3 of Ashor's Tale
- Crashtown
- Crated Glory
- Craving Space
- Crazy Days
- Crazy Stories: Volume 2 - To Reap or to Sow
- Creation & Why
- Creativitate artificială (Proză științifico-fantastică)
- Creep
- Creepier by the Dozen: Twelve Twisted Tales
- Creepies: Twisted Tales From Beneath the Bed
- Cren Siblis: Slave Planet
- Crimean Fairy Tale
- Crimson Tattoo, Midnight Chronicles Book Three
- Crises and Conflicts
- Crisis Averted
- Cronache da New Heaven
- Cronache dell'Armageddon
- Crone’s Revenge, Femspec Issue 6.2
- Cronotopo
- Crooked V.1
- Crooked V.1
- Cross Council
- Crossed Circuits: Sci-Fi Short Stories - Volume 1
- Crossed Circuits: Sci-Fi Short Stories - Volume II
- Crossed Circuits: Sci-Fi Short Stories - Volume III
- Crossed Circuits: Sci-Fi Short Stories - Volume IV
- Crossfire & Other Stories
- Crossing the Streams
- Crossroads of Sin and Other Stories
- Crossroads with Half the Information
- Crown of Stars
- Cruel and Unusual: Four Short Stories of Judicial Horror (Book One)
- Cruel Miracles
- Cruel Pink
- Crueler and More Unusual
- Crum's Crystals
- Crunch Bang
- Cryoskip's Footprints (short story - Atomic Wasteland Tales)
- Crystal Cleanser Dem
- Crystal Clear
- Crystals And Destiny
- Crónicas de la distopía
- Cthulhu 2000
- Cuentos de espacio y del tiempo
- Cuentos de otros mundos
- Cuentos Del 2000
- Cuentos e Historias de Soledad
- Cultured Tourists (A Sci-Fi Comedy Vignette)
- Cup Dreams
- Cure
- Cure Overdose
- Curious
- Curious Anomalies
- Currents of Thunder
- Cyber - Part 1
- Cyber Crunch
- Cyber Rogues
- Cyber World
- Cyberabad Days
- Cyberfunk!
- Cyberiada
- CyberMoon 2020
- Cyberpunk
- Cyberpunk Fairy Tales: Volume 1
- CyberWeird Stories
- Cyborg’s Mate : Science Fiction Romance Collection
- Cygnus 5 - The Complete Trilogy
- Cyrion