- Relic Tech
- Relic Worlds: Lancaster James and the Search for the Promised World
- Relic Worlds: Lancaster James and the Secret of the Padrone Key
- Relic Worlds: Lancaster James and the Shattered Remains of Antiquity
- Relics
- Relics, Wrecks and Ruins
- Reloading Souls
- Reluctant
- Reluctant Marine: Holy Christian Empire 2495
- Reluctant Psychic
- Reluctant Symbiosis
- Remade I
- Remake
- Remburg Report
- Remember Me
- Remember the Future
- Remember the Future / Dreams of a Foreign Past Realized
- Remember the Starfighter
- Remembering Turinam
- Remeon's Crusade
- Remission Praxis
- Remnant
- Remnant Population
- Remnants
- Remnants (Remnants Trilogy, Book 1)
- Remnants of Terrene
- Remote Chances: A Trio Of Classic Sci-Fi Short Stories
- Remote Control
- Ren, The Valaran Chronicles: Prequel 2
- Renaissance Woman
- Renaissances
- Rendez Vous (Nederlandstalig)
- Renee (and the Space Raiders)
- Renegade
- Renegade Hope
- Renegade of Kregen [Dray Prescot #13]
- Renegade's War
- Renegades
- Renegátok
- Renewal
- Rennevatio
- Renovo
- Renovo Grounded
- Renovo Symbiosis
- Renunciates of Darkover
- Repair and Rebuild
- Repeat Offender
- Repeszhold
- Replay di un amore
- Replica: A Short Story
- Repo Man: Saucer Theft
- Repo Man: Truck Repo
- Repo Virtual
- Reprisals
- Reputacja
- Requiem (Aurora Resonant Book Three)
- Requiem of a Nightmare
- Requiem: Primordium Book Three
- Requisition
- Reremembering Christmas
- Rescapée
- Rescue
- Rescue from Denver
- Rescue Mission
- Rescue Mission to the Stars
- Rescue Mode
- Rescue Squad
- Rescue Stories (A science fiction novelette)
- Rescue Team
- Rescue!
- Rescued by the Space Marine
- Rescuer
- Rescuing Prince Charming
- Rescuing Romila
- Rescuing the Future: A Naomi Kinder Novel
- Resentful Love
- Reset
- ReSet
- Reset
- Resetting The Clock
- Resident Evil 3.5 Foundations
- Resident Evil: retribuição
- Resilience
- Resilient
- Resilience
- Resilient
- Resist
- Resistance
- Resistance The Gathering Storm
- Resistance (The Variant Series, #2)
- Resistance is Brutal
- Resistance Reborn (Star Wars)
- Resistance: A Hole in the Sky
- Resistant
- Resolute
- Resolution
- Resolutions: A Science Fiction Short Story Collection
- Resonance
- Resonant
- Respect
- Respect and Privilege
- Restavek
- Restavracija ob koncu Vesolja
- Restitution
- Restless: An Aurora Rhapsody Short Story
- Restoration
- Restored
- Restraint
- Result
- Resurrected
- Resurrecting Mars
- Resurrecting Titanic
- Resurrecting Tomorrow
- Resurrection Seven
- Resurrection Sticks
- Resurrection World, the Eden Project
- Resurrection: Chance and Change
- Resurrection: Primordium Book Four
- Resùria
- Retaking Elysium
- Retaliate
- Retaliation
- Retaliator's Blues
- Retief of the Red-Tape Mountain
- Retief: Aide Memoire