- Unicorn Adventures
- Unicorn Blood and Dragon Snot
- Unicorn Day
- Unicorn Dreams
- Unicorn Glitter Crown
- Unicorn Keep
- Unicorn Night
- Unicorn Princesses 10: The Wing Spell
- Unicorn Princesses 1: Sunbeam's Shine
- Unicorn Princesses 2: Flash's Dash
- Unicorn Princesses 3: Bloom's Ball
- Unicorn Princesses 4: Prism's Paint
- Unicorn Princesses 5: Breeze's Blast
- Unicorn Princesses 6: Moon's Dance
- Unicorn Princesses 7: Firefly's Glow
- Unicorn Princesses 8: Feather's Flight
- Unicorn Princesses 9: The Moonbeams
- Unicorn Rose's Gems
- Unicorn School: First Class Friends
- Unicorn School: Team Magic
- Unicorn School: The Pet Show
- Unicorn School: The School Play
- Unicorn School: The Surprise Party
- Unicorn School: The Treasure Hunt
- Unicorn Sparkles' Gem
- Unicorn the Magical Jet Ski: "Saving the Pirates"
- Unicorn the Magical Jet Ski: “Lets Find Rex”!
- Unicorn Training
- Unicorn Uncovered
- Unicorn Uproar
- Unicorn Wings
- Unicorn, Don't Do That!
- Unicornios
- Unicornios contra Goblins (Cloe y su Unicornio 3)
- Unicornios contra Goblins (Cloe y su Unicornio 3)
- Unicornios. La magia de ser único
- Unicorns and Germs
- Unicorns Are Real!
- Unicorns Come At Night
- Unidad Lupita
- Unikornis Goes To Paris
- Union J
- Unique
- Unique Animals
- Unique Fish and Facts
- Unique Unicorn
- Uniquely Wired: A Story about Autism and Its Gifts
- United Kingdom
- United Kingdom (Enhanced Edition)
- United States of America - Itty Bitty Pedia
- United to Strike
- Unity in Diversity
- Unité dans la Diversité
- Universal Baby Income
- Universal Monsters Little Golden Book (Funko Pop!)
- Universe-ity
- Universet - Lyt&læs
- Universet, Rød Fagklub
- Universets helte 1 - Den sidste dreng på jorden
- Universets helte 2 - Omnis Alpha
- Universets helte 3 - Den evige smertes tinde
- Universets helte 4 - Det stærkeste våben
- Universo Espiritual
- Universo Paralelo
- Universo Wigetta 3. El corazón oscuro
- Unlikely Companions
- Unlikely Friends
- Unlocked Book 8.5
- Unlocking the Truth
- Unmasking the Science of Superpowers!
- Unn
- Unn och grottorna
- Unnatural Selections
- Unnatural Selections Read-Along (Enhanced Edition)
- Unnützes Wissen für Kinder
- Uno
- Uno de esos días
- Uno sbaglio di lupo
- Uno, dos, abrocho mi zapato
- Unofficial Minecraft Life Hacks Lab for Kids
- Unofficial Minecraft STEM Lab for Kids
- 100% Unofficial Roblox Mega Hits
- Unplugged
- Unraveling Rose
- Unscramble Words For Fun And Knowledge
- Unser Dorf - Frühling
- Unser Garten blüht
- Unser kleiner Esel Jan
- Unser verblüffender Planet Erde
- Unser Weg ins Weltall
- Unsere Zukunft ist jetzt
- Unsettled Things
- Unsichtbar im hellen Licht
- Unsichtbare Bände
- Unsichtbare Bände - Die beliebtesten Kindergeschichten
- Unsolved! History's Mysteries
- Unsolved! Mysterious Events
- Unstoppable Me
- Unstoppable Zee
- Unstuck