C
- Cadwal Chronicles series by Jack Vance
- namely, Araminta Station, Ecce and Old Earth, and Throy
- Caesar's Column, by Ignatius Donnelly
- The Calcutta Chromosome by Amitav Ghosh
- Calling B for Butterfly by Louise Lawrence
- Camp Concentration by Thomas M. Disch
- A Canticle for Leibowitz by Walter M. Miller Jr.
- A Case of Conscience by James Blish
- The Caves of Steel by Isaac Asimov
- Cat's Cradle by Kurt Vonnegut
- Celestial Matters by Richard Garfinkle
- The Centauri Device by M. John Harrison
- Century Rain by Alastair Reynolds
- The Chalk Giants by Keith Roberts
- The Changeling by A. E. van Vogt
- Chanur series by C. J. Cherryh
- namely, The Pride of Chanur, Chanur's Venture, The Kif Strike Back, Chanur's Homecoming, and Chanur's Legacy
- Chasm City by Alastair Reynolds
- Child of Fortune by Norman Spinrad
- Childhood's End by Arthur C. Clarke
- Children of Tomorrow by A. E. van Vogt
- Chromosome 6 by Robin Cook
- Chronocules by D. G. Compton
- The Chrysalids by John Wyndham
- Cinnabar by Edward Bryant
- Cirque by Terry Carr
- City by Clifford D. Simak
- The City and the Stars by Arthur C. Clarke
- City of Bones by Martha Wells
- City of Illusions by Ursula K. Le Guin
- Clans of the Alphane Moon by Philip K. Dick
- A Clockwork Orange by Anthony Burgess
- Clay's Ark by Octavia Butler
- The Complete Magnus Ridolph by Jack Vance
- Coalescent by Stephen Baxter
- Congo by Michael Crichton
- Colony by Ben Bova
- Commitment Hour by James Alan Gardner
- The Consciousness Plague by Paul Levinson
- Count Zero by William Gibson
- Cradle by Arthur C. Clarke and Gentry Lee
- Cradle of the Sun by Brian Stableford
- Creatures of Light and Darkness by Roger Zelazny
- Cross Roads of Time by Andre Norton
- Cryptonomicon by Neal Stephenson
- also The Baroque Cycle, namely Quicksilver, The Confusion, and The System of the World
- Crystal Rain by Tobias S. Buckell
- Crystal Witness by Kathy Tyers
- Cuckoo's Egg by C. J. Cherryh
- Culture series by Iain M. Banks
- namely, Consider Phlebas, The Player of Games, Use of Weapons, The State of the Art, Excession, Inversions, Look to Windward, Matter, The Hydrogen Sonata
- The Currents of Space by Isaac Asimov
- Cyteen by C. J. Cherryh
Read more about this topic: List Of Science Fiction Novels