- Y mañana serán clones
- Y2.200K
- Yaoguai
- Yatorun Transport
- Ye Gods! Beginnings
- Yeager
- Year 2059
- Year of the Orphan
- Year's Best SF 13
- Year's Best SF 2
- Year's Best SF 4
- Year's Best SF 6
- Year's Best SF 7
- Yearn For Me
- Yearning
- Yellow Blue Tibia
- Yellow Eyes
- Yesterday
- Yesterday House
- Yesterday Makers
- Yesterday's gone - saison 1 - épisode 5
- Yesterday's gone - saison 1 - épisode 6
- Yesterday's Gone - Saison 2 - Tome 2
- Yesterday's gone - Saison 2 - Épisode 3
- Yesterday's gone - Saison 2 - Épisode 3
- Yesterday's gone - saison 2 - épisodes 1 & 2
- Yesterday's Gone. Stagione due
- Yesterday's Gone. Stagione tre
- Yesterday's Gone. Stagione uno
- Yesterday's Kin Trilogy
- Yesterday's Men
- Yesterday's Savior
- Yesterday's Tomorrow
- Yesterman
- Yesteryear's Destiny
- Yeti Reborn
- Yiwu
- Ylana of Callisto
- Ylesia: Star Wars Legends
- Ynyr
- Yo en tu lugar
- Yo, Sargento Una breve historia
- Yote
- You and I Shall Be as Radiant
- You Are History
- You Can't Kill the Multiverse
- You Cannot Mess This Up
- You Feel It Just Below the Ribs
- You Sexy Thing
- You Were the Moon
- You'll Like It on Mars
- You'll Like It on Mars!
- You, Robot
- Young Bleys
- Young Captain Jack; Or, The Son of a Soldier
- Young Flandry
- Young Legionary
- Young Visitor to Mars
- Your Best Apocalypse Now
- Your Body is My Prison
- Your Resting Place
- Yours to Desire
- Yours to Uncover
- Yours Truly, 2095
- YOUTH
- Ypsilon and The Plague Doctor
- Ystorica
- Yuki Feldman: Licensed Space Pirate
- Yukikaze
- Yule Planet