- R. U. R. (Rossum's Universal Robots)
- R.U.R. (Rossum's Universal Robots)
- Rabid Mind - The Anatomy
- Rabid Mind - The Dominion
- Rachel In Love
- Radiant Crossing
- Radio Freefall
- Radio Nowhere
- Ragnarok
- Ragnarok: The Age of Fire and Gravel
- Raiders Invisible
- Raiders of the Universes
- Raketenmenschen greifen an!
- Ralph 124C 41+
- Ralph 124C 41+: A Romance of the Year 2660
- Ram-2050
- Rama II
- Rama Revealed
- Randwelten
- Rapture
- Rare Earth
- Rare Species
- Rastignac the Devil and two more stories
- Rattle OK
- Raum-Commander
- Raumlotsen
- Raumschiff RUBIKON 3 Die Perle Chardhin
- Raumschiff Rubikon 9 Das Erste Reich
- Raumsprünge, das kleinere Weltall und andere fantastische Erzählungen
- Reach For Infinity
- Reality 36
- Reality Recoded
- Realization: The Martiniere Legacy Book Three
- Realm of the Sphere
- Realtà incostante
- Reapers
- Rebellion
- Rebels of the Red Planet
- Rebirth
- Rebirth
- Reclame en de Kunst van het Hacken
- Reconcilable
- Recorder
- Red and Priceless
- Red Dust
- Red Horizon
- Red Lightning
- Red Mars
- Red Psychedelia
- Red Witch of Mercury and two more stories
- Redemption Ark
- Regeneratione. GRAVITON & GURGES 2.0
- Regeneratione: Gurges 2.0
- Regret and Retribution
- ReImagination
- Reise ins Ungewisse
- Reise ohne Wiederkehr
- Rejsen til Neuschwabenland
- Released
- Remake
- Renewal
- Replay - Das zweite Spiel
- Requisition
- ReSet
- Resilient
- Resistant
- Resonance: An Action Packed, Hard Science Fiction Thriller
- Restitution
- Restoration
- Restraint
- Result
- Resurrecting Jesus: The Chosen One
- Resurrecting Mars
- Resurrection World, the Eden Project
- Retaking Elysium
- Retread Shop
- Return
- Return of the Seraph
- Return of the Yggdrasil
- Return to Dakistee
- Return to Mars
- Return To Planet Sumer: Operation Shoestring
- Reunion
- Revelation
- Revelation Space
- Revenge to Philip K. Dick. A writer who was not present
- Revenge: Book 1 of the T.E.N. series
- Revenger
- Revolt in the Ice Empire and three more stories
- Revolution
- Rewind
- Rex ex Machina
- Rich Living
- Rich Man's Sky
- Richter 10
- Rictus
- Rift
- Rigel Kentarus
- Ringworld
- Ripeness is All
- Rituale
- Robina Crux
- Robinas Stunde null
- Robopocalypse
- Robot Evolution: Perfect Partners, Inc. Vols 1-5
- Robot Maid Is Broken
- Robot Planet
- Robot Uprisings
- Robot Virus and Other Sci Fi Short Stories
- Robot, mon amour
- Roboter gegen Aliens: Science Fiction Abenteuer Paket
- Robots of the World! Arise!
- Rocket To Limbo
- Rocketman
- Rogue Moon