Series Beginning with M
- Made in Abyss
- Maerchen Medohen
- Maetel Legend
- Maison do Police
- Maison Ikkoku
- Major
- Major League
- Maple Story
- Mar Heaven - MARCHEN AWAKENS ROMANCE
- Mary and the Witch's Flower
- Mary Stayed Out All Night
- MAZE Mega Burst Space
- Mechaike
- Medakabox
- MEDAROT
- Megalobox
- Megami Kouhosei
- Megami Magazine
- Megami Meguri
- Megami no Chu!
- Megami no Sugao
- Megami ryo no Ryobo-kun.
- Megami Tensei
- Megane no Kanojo
- Meganebu!
- Megaton Kyu Musashi
- Megazone 23
- Mei-chan no Shitsuji
- Meido Deka
- Meiji Tokyo Renka
- Meikyu Restaurant
- Meitantei Holmes
- Meitantei no Okite
- MELTYLANCER
- Memories
- Memories Off
- Men Dol
- Men's Non-No
- MERC STORIA
- Meridian
- Meridian Q
- Meromeron
- Meshibana Deka Tachibana
- Metal Build Series
- Metal Gear Solid
- Metallic Rouge
- MEZZO