- M feat. Noa
- M of love & dreams
- M's Kitchen
- M-AGE
- M.I.L.F
- M.UURA
- M4 SOPMODII (CV:田村ゆかり)
- Ma-shi & Ryo Yajima
- MAAKIII
- Maaya Sakamoto
- Macaroni Empitsu
- MACO
- MAD AIR
- MADEMOISELLE YULIA
- MAGIC PARTY
- MAGIC PARTY feat. 渡和久 (from 風味堂)
- Magic Prince
- Maharajan
- Mahiru Coda
- Mahoujyoshi☆Seiren
- Mai
- Mai Endo
- Mai Fukui
- Maica_n
- Maiko Fujita
- Maiko Nakamura
- Maison book girl
- MAISONdes
- MakabeJakushitsu
- Makai
- Maki Aizawa from j-Pad Girls
- Maki Funada from j-Pad Girls
- Maki Mannami
- Maki Ohguro
- Makiko
- MAKIM
- Makita Sports
- Makomina
- Makoto Kawamoto
- MALCO
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- MAMESHiBA No TAiGUN
- Mamoru Miyano
- MAN WITH A MISSION
- Mana Ashida
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- Manami Kakudo
- Manami Konishi
- Manato Funatsu
- Manji Line
- Mannish Boys
- Mano Erina
- Manoa DNA
- Mao Denda
- MAO from Sid
- Mao Nakatsu
- Marble
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- MARI
- Mari Hamada
- Mari Mizuno
- Mari Natsuki
- MARIA
- Maria
- MARIA
- Marianne Shinonome
- Mariko Goto
- Mariko Takahashi
- Marin&Riena
- MARIN.
- MARINa
- Mariya Nishiuchi
- Mariya Takeuchi
- Marsh (マシュマロ王子)
- MaRuRi to Ryuga
- Masakatsu Takagi
- Masaki Suda
- Masaki Suda & OKAMOTO'S
- Masaki Suda & Tomoya Nakamura
- Masaru Bessho
- Masashi Nakata
- Masashi Sada
- Masaya Muroi
- Masayoshi Yamazaki
- MASCHERA
- Mash
- Mashinomi
- Mashira
- Mashiro Ayano
- MASS OF THE FERMENTING DREGS
- Material Club
- Matsuri
- Matsuri Nine
- Matt Cab
- Matt Rose
- Max
- MAX
- Max
- MAX
- Max
- MAX
- Max
- MAX
- Max
- MAX
- Max
- MAX
- Max
- MAX
- Max
- MAX
- Max
- MAX
- Max
- MAX
- May
- May from j-Pad Girls
- May J.
- May J. duet with 八代亜紀
- MAY'S
- MAY'S & K.J.
- Mayo Okamoto
- Mayo Suzukaze
- MAYU
- Mayu Maeshima
- Mayu Watanabe
- Mayuko
- Mayumi Morinaga
- Maïa Barouh
- MC GATA ど BANKING
- Mchmusic
- MCU
- MCU Feat. Kazufumi Miyazawa
- MCビキニ a.k.a 藤田恵名
- MC小法師
- MDR (CV:愛美)
- Me
- Mebius
- MEG
- MEG ZOMBIES+MEG
- Mega Shinnosuke
- MEGAHORN
- Megamasso
- MEGARYU
- Megumi Mori
- Megumi Nakajima
- Megumi Yanagi
- Mei Fumitsuki
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- MEILIN
- Meimi Tamura
- Mejibray
- Mellow Mellow
- MELOFLOAT
- MEM
- MEMAI SIREN
- Merci Merci
- MERRY
- Metis
- Metro-Ongen
- METROPOLIS de ONELIA
- Mezcolanza
- MEZZONeLOID
- MIA.
- Micah
- Micau Kamura
- Michel Melmo
- MiChi
- Michihiro Kuroda
- Michiru
- Michiyo
- Mickey Rich
- Micky Rich
- Micky Rich & SOH BADLY
- MICO Loves CUMBIA BROS.
- Micro
- Micro of Def Tech
- MICRON'STUFF
- MIGHTY JAM ROCK
- MIGHTY WARRIORS
- Migite Yajirushi Hidarite Ha-to
- MIHIRO ~マイロ~
- Mika Arisaka
- Mika Nakashima
- Mika Nakashima & Miliyah
- Mikey
- Miki Furukawa
- Miki Imai
- Mikinatsumi
- Miku Ito
- Miku Sawai
- Miliyah
- Milky Bunny
- MilkyWay
- Millennium Juice
- Milligram
- Milmanaco
- MIMI
- Mina Yamano
- Minako Honda
- MINAMI
- Minami Kuribayashi
- Minami Takahashi
- Mini
- MINJI
- MINMI
- MINMI loves m-flo
- MINMI, 西野カナ & INFINITY 16
- MINMI/KENTY GROSS
- MINMI/VADER
- Minoh Catfarm
- Minori Suzuki
- MinoRules
- MinxZone
- Mio Yamazaki
- Mioco
- MiON~美桜~
- MIOSIC
- Miracle & BoNTCH SWiNGA
- Miracle Miracle From Miracle Tunes
- Miracle Vell Magic
- Mirei Touyama
- MISAKI
- Misaki Aono
- Misako Sakazume
- Misako Uno
- Misato Watanabe
- Misia
- MISIA feat. M2J + Francis Jocky
- Missing Link
- Mitsu
- Mitsuhiro Oikawa
- Mitsuru Matsuoka EARNEST DRIVE
- Miu Sakamoto
- MiVK
- Miwa Sasagawa
- MixSpeaker's,Inc.
- Miyakawakun
- MIYAVI
- MIYU & Yoon Jong Shin