- More William
- Morgan Rice: 5 Beginnings (Turned, Arena one, A Quest of Heroes, Rise of the Dragons, and Slave, War...
- Morgana Foils the Duke's Plans
- Morgenrood
- Moribito: Guardian of the Darkness
- Moribito: Guardian of the Spirit
- Morosa: Book Two of the Viridian Chronicles
- Morosa: Book Two of The Viridian Chronicles
- Morra por mim
- Mortal
- Mortal Engines
- Mortal Song
- Morte al circo
- Mortelle
- Mortimer The Magic Monkey
- Morty's World
- Mosquitoes Don't Bite Me
- Moss Gate
- Mossina Lost in the Woods
- Most Likely to Die
- Mostly Maxx
- Mother of Machines: Carbon Sunset
- Mother West Wind's Animal Friends
- Mother West Wind's Neighbors
- Mother's Heart
- Mothstorm
- Motormouth
- Motus et babouches cousues
- Motô de Buzu
- Mount Emily
- Mount Emily Revisited
- Mount Hideaway Mysteries
- Mountain Dog
- Mountain fun
- Mountain Runaways
- Mountaineer Page
- Mourning Train (ReMade Season 1 Episode 7)
- Moving Forward
- Moving Shelly
- Moving Target
- Mowgli - Le Livre de la jungle
- Mozay of Pepperwick
- Mpuke, Our Little African Cousin
- Mr Fox and the Land Below
- Mr Lemoncello's Great Library Race
- Mr Lemoncello's Library Olympics
- Mr Standfast
- Mr Stink
- Mr. Bugabug's Journey
- Mr. Dumpling and the Meteor Fireball
- Mr. Kent's Wall of Wonders
- Mr. Lemoncello and the Titanium Ticket
- Mr. Lemoncello's All-Star Breakout Game
- Mr. Magillacutty and His Breakfast Feast
- Mr. Monkey Sees and Mr. Monkey Do
- Mr. Seller's Pond
- Mr. Summerling's Secret Code #1
- Mr. X
- Mr. X and the Cog Train from Heaven
- Mroczny Labirynt
- Mrs. Kaputnik's Pool Hall and Matzo Ball Emporium
- Mrs. Mitchell's Supreme Narratives
- Mrs. Peter Rabbit
- Mrs. Poddle and Eric
- Mrs. Smith's Spy School for Girls
- Ms. Mulligan and the Enchanted Ice Cream
- Ms. Rapscott's Girls
- Mud Mafia
- Muddy Max
- Muder: At Crescent Point
- Mudslide
- Mummy
- Mummy's Revenge
- Munchhausen XX
- Mundimandi y las aventuras de un pez
- Mundo de sombras
- Mundo Fantasía
- Mundo Urraca
- Mundos superiores
- Murder in the Marsh
- Murder Most Unladylike
- Murder on Ice
- Muria
- Murk Meadow
- Murphy et le mystère d'Halloween
- Mus en kapitein Kwaadbaard en De 5 slangen
- Musta kuin eebenpuu
- Mutant Rising
- Mutatom az utat
- MVP*
- My Adventures with Grandad
- My Best Friend, the Parrot
- My Brother's Keeper
- My Brother's Spare
- My Champion Kisser
- My Dad the Monster Hunter: The Legacy Begins
- My Dad, the Earth Warrior
- My Daddy Loves Me, How Do I Know?
- My Danish Sweetheart, A Novel Vol.1 (of 3)
- My Danish Sweetheart, A Novel Vol.2 (of 3)
- My Danish Sweetheart, A Novel Vol.3 (of 3)
- My Deadly Valentine
- My Dear Ellie
- My Especially Weird Week with Tess
- My Fair Impostor