- O anel que tu me deste
- O data pentru totdeauna
- O despertador chamou Raul
- O enigma da cidade perdida
- O gigante do Maracanã
- O Haiti de Jean
- O homem estranho da casa ao lado
- O maior mágico do mundo
- O menino que lia nuvens
- O que Você Faz com Uma Ideia?
- O saci epaminondas
- O vaso chinês
- O, Christine
- Oath of Destruction
- Oatis and Family "Life in Pennsylvania Dutch Country"
- Obra negra
- Odd Girl In
- Oddfellow's Orphanage
- Oddity
- Odins Schwert
- Of Curses and Kisses
- Of Mice and Men
- Of Mice and Nutcrackers
- Of Princes and Promises
- Off Leash: How a dog saved my life
- Off Limits: How a Friend Saved My Life
- Off Limits: The Principal's Son
- Off Limits: The Scrooge
- Off Limits: The Smarty-Pants
- Off the Rim
- Offsides
- Og så drukner jeg ...
- OGINALII, is Cherokee for My Friend Like Horse is to My Heart
- Oh, boy!
- Ohana significa familia
- Old Blue
- Old Man
- Old Neb and the Ghost Ship
- Old Promises
- Oldemors hatteæske
- Oliphant Island: A Tale of Three Sisters
- Olive's Ocean
- Oliver Twist
- Oliver Twist
- Oliver Twist
- Oliver Twist (Illustrated + FREE audiobook download link)
- OLIVER TWIST (Illustrated Edition)
- Oliver Twist (Illustrated)
- Oliver Twist + Audiobook
- Oliver Twist + The Old Curiosity Shop
- Oliver Twist de Charles Dickens (Guía de lectura)
- Olivia and the Troublemaker
- Olivia Twisted
- Olivia y su gatito aprenden a conocerse
- Om natten lyver jeg aldrig
- OMG - Hors série
- OMG Queer
- On a enlevé Maman !
- On est tous faits de molécules
- On n'a rien vu venir
- On Pointe
- On the Buzzer
- On the Come Up (versione italiana)
- On The First Day of School
- On the Slopes
- On the Spectrum
- Onbekende tyd van geluk
- Once
- Once There Were Two
- Once Upon a Cruise: A Wish Novel
- Once Upon a Wombat Time
- Once We Were Witches
- Once You Know This
- Once, in a Town Called Moth
- One
- One & Half Mother
- One Big Mess
- One Boy, No Water
- One Crazy Summer
- One Dream Only
- One for the Murphys
- One Great Lie
- One Hundred Spaghetti Strings
- One Italian Summer
- One Jar of Magic
- One Mixed-Up Night
- One of Ours
- One of the Good Ones
- One Pound Fish
- One Shark, No Swim
- One Shot Away
- One Silver Summer
- One small thing
- One Small Thing
- One Square Inch
- One Summer Season: A Young Man's Brutal Baptism Into Love And Baseball
- One Thing Stolen
- One Truth, No Lie
- Only the Stars Know Her Name
- Only When it Rains
- Oorlog in de klas
- Oorlog zonder vader
- Op zoek naar
- Op zoek naar jou
- Op zoek naar Violet Park
- Operation Clean Sweep
- Operation Normal
- Operation Prom Date
- Operation: Dump the Chump
- Opgejaagd
- Opie Jones and the Superhero Slug
- Opopomoz
- Oppassen
- Opposite Island
- Or Give Me Death
- Orangeboy
- Orchards
- Ordinary Alphabet
- Orgueil et Préjugés
- Origens
- Original Fake
- Orphan Station
- Orphan Train Girl
- Orphan, Agent, Prima, Pawn
- Orphans of the Tide
- Orphans' Inn
- Orphea Proud
- Oscar J
- Oscar J: Skipper Can No Longer Play... and Daddy Can No Longer Stay...
- Oser pour soi