J-POP Artists, Casts, Authors Beginning with M
- Madoka Oishi
- Mai Ohshima
- Mai Ohshima
- Maiko Okamoto
- Maki Ohguro
- Maki Ohguro
- Maki Ohguro
- Maki Otsuki
- Maki Ozaki with Sweet Voice
- Mana Ogawa
- Manami Ogu
- Mariko Oe
- Mariko Omori
- Masahiko Osaka
- Masahiko Osaka
- Masaji Ohtsuka
- Masami Ohishi
- Masami Okui
- Masami Ooishi
- Masao Onose
- Masatoshi Ono
- Masayoshi Ohishi
- Masayoshi Ohishi
- Masumi Ono
- Masumi Ono
- Matsuno Ohono
- MATSUO OHNO + 3RENSA
- Mayo Okamoto
- Mayo Okamoto
- Mayu Ota
- Mayumi Ono
- Mayumi Ono
- Megumi Odaka
- Megumi Ogata
- Megumi Ohhori
- Megumi Oishi
- Meiyu Ohtani
- Michihiko Oota
- Michinori Okazaki
- Midori Oka
- Midori Oka
- Mika Ohashi
- Mika Ohashi
- Mika Okudoi
- Mika Okudoi
- Miki Ohara
- Mikio Ohosawa
- Mikiyo Ono
- Mikiyo Ono, Erika Haneda, Maki Miyamae
- Minae Oue
- MINAKO mooki OBATA
- Minako Ogawa
- Misaho Oda
- Misako Odani
- Misako Oshiro
- MISHIO OGAWA
- Mitsugu Okuhara
- Mitsuhiro Oikawa
- Mitsuhiro Oikawa
- Mitsuo Ochiai
- Miwako Okuda
- Miyako Ohtsuki
- Miyako Ohtsuki
- Momoko Osawa
- Momoko Osawa
- Mori Toshio & Blue Coats