- O baú do tatu
- O Capetinha do Espaço ou O Menino de Mercúrio
- O galo gago
- O Livro do Não
- O Livro do Sim
- O Menino Maluquinho
- O Pequeno Livro de Hai-kais do Menino Maluquinho
- O pezinho feio
- O rapto do galo
- Oats, Peas, Beans, and Barley Grow
- Oberon
- Octave le chat s'habille selon les saisons
- Octi Gets a Shot
- Octopus' Odd Object
- Octopus's Garden
- Odd Owls & Stout Pigs
- Ode To A Planet
- Off by Heart
- Off the Beaten Path
- Oh No! I Peed Myself!
- Oh No! ¡Me Oriné!
- Oh, to be a Knight
- Oh, to be a Knight
- Old Hat New Hat
- Old King Cole
- Old MacDonald Heard a Parp
- Old Mikamba Had a Farm
- Old Mother Hubbard
- Oliver Poons and the Bright Yellow Hat
- Oliver's Tree
- Oliver's Tree (audio version)
- On a des soucis
- On the Go
- Once Upon My Imagination
- One Cat, Two Cat, New Cat!
- One Direction: The Official Annual 2012
- One Direction: The Official Annual 2013
- One Direction: The Official Annual 2014
- One Direction: The Official Annual 2015
- One Direction: The Official Annual 2016
- One Hundred Shoes
- One Last Word
- Only God Can Make a Kitten
- Only Ona
- Ook and Nook Take a Look
- Ooposhi Forest
- Opposites, More Opposites, and a Few Differences
- Orangutanka
- Os Bichos e Seus Caprichos
- Os Hai-kais do Menino Maluquinho
- Osito, Osito, di buenas noches
- Otis Grows
- Our Beautiful World
- Our Corner Store
- Our Farm
- Our Food
- Our Forest
- Our Moggy
- Out of the Mouths of Babes
- Out of This World: Poems and Facts about Space
- Outside the Box
- Over on Sesame Street (Sesame Street)
- Over the River and Through the Wood
- Overground Railroad