- Mission pour l'univers
- Mission to Methone
- MISSION X - Auf der Suche was vor dem Urknall war!
- Mission X - In search of what was before the big bang (Urknall)! Sueltz Books
- Mission: Tomorrow
- Misson im Minenfeld
- Miss Cannibal. Фантастика
- Mist
- Mister B. Gone
- Mists of Dawn
- Mobile Flesh Sculptures
- Modern Love and other stories
- Mom's Personal Robot
- Monde
- Mondi Diversi
- Mondo Paradiso
- Monkey Feet
- Monsieur Jean des étoiles
- Monsoons of Death
- Monsters, and More
- Moon Dreams
- Moon Jump
- Moon Life
- Moon of Danger and two more stories
- Moon Trip
- Moonfall
- Moonflaw
- Moonlight
- Moonrise
- Moonscape
- Moonshot
- Moonwar
- More from the Other Side of the Holy Bible
- More Short Stories to Read on a Bus, a Car, a Train, a Plane (or a comfy chair anywhere)
- More Than Human
- More than Human: The Mensa Contagion
- More Than the Sum of His Parts
- More Things in Heaven
- Morfirion
- Morgànt dei Nerogatti
- Morning, the Third Day
- MorningStar
- Mortal Enemy
- Mortal Passage
- Mortal Remains
- Morte di Capitan Futuro
- Moskal
- Motel World of the Dragon
- Mother
- Movers, Inc.
- Mr. Johnny GT-1: Тёмная материя
- MTREES® 2.4 Documentation Docs Design System
- MTREES® Work Book Puzzle Design Thought Leader Challenge
- Muddle Earth
- Muonic Rhapsody and Cosmic Extravaganza
- Muses & Musings: A Science Fiction Collection
- Music of the Spheres
- Mutants
- Mutiny at Vesta
- Muturi Deception
- My Dead Father's Signal
- My Lady Greensleeves
- My Name isLegion
- Mylaren
- Mystical Kiev and stories
- Mémoires d'un aspirateur