M
- M
- Machine
- Madara
- Madeth Gray'll
- Madieduor
- THE MADNA
- Magistina Saga
- MAKOTO (マコト)
- MAIFURE (マイフレ)
- MaitoreiA
- Malerose
- Malice Mizer
- Mamireta
- Mannequin
- Marely
- MaRiLL
- Marilyn DustSchool
- Marunarudo (○なるど)
- Maruru
- Marvelous Maiden
- Maschera
- Mask
- Matenrou Opera (摩天楼オペラ)
- MaveRick
- Mazohysteria
- Medi@lize
- Media Youth
- Megamasso
- Megaromania
- Meiniac
- MEJIBRAY (incomplete)
- MEME
- Merry (メリー)
- Merry BadEnd
- Merry Go Round
- Meth.
- Metis Gretel
- Metronome
- Meze
- The Micro Head 4 N's
- Mid Deracine
- MIMIQ (ミミック)
- Mirage
- Misa
- Misaruka
- Miss Jelly Fish
- Missalina Rei
- Mist Of Rouge
- Mix Speaker's Inc.
- Miyavi
- Moi Dix Mois
- Moll'e Node
- Monolith
- MOON CHILD
- Moran
- Morrigan
- Moto VISUAL KEI REVENGERS (元V系リベンジャーズ)
- MUCC
- Mugen Zero