| | MAEDA Yūka | Interprète | | | | | | | | | | | | |
| | MAEDA Yūki | Interprète / Artiste | | | 2 | | | | 1 | 1 | | 1 | | 100,00% |
| | MAKINO Maria | Interprète | | | | | | | | | | | | |
| | MANO Erina | Interprète / Artiste | | | 20 | 5 | 1 | | 3 | 11 | 8 | 3 | | 27,27% |
| | MANO Erina & S/mileage | Artiste | | | 1 | 1 | | | | | | | | |
| | MATSUURA Aya | Interprète / Artiste | | | 30 | 8 | 1 | | 4 | 17 | | 17 | | 100,00% |
| | Mellowquad | Artiste | | | 1 | | | | | 1 | 1 | | | |
| | Melon Kinenbi | Artiste | | | 16 | 1 | | | 14 | 1 | | 1 | | 100,00% |
| | MICHISHIGE Sayumi | Interprète / Artiste | | | 1 | | | | | 1 | 1 | | | |
| | MICHISHIGE Sayumi, KUMAI Yurina, YAJIMA Maimi, UEMURA Akari | Artiste | | | 1 | 1 | | | | | | | | |
| | MICHISHIGE Sayumi & SUGAYA Risako | Artiste | | | 1 | 1 | | | | | | | | |
| | MICHISHIGE Sayumi, TANAKA Reina, SUDO Maasa, YAJIMA Maimi | Artiste | | | 1 | 1 | | | | | | | | |
| | Mika TODD | Interprète | | | | | | | | | | | | |
| | MilkyWay | Artiste | | | 3 | | 1 | | | 2 | 2 | | | |
| | Minihamz | Artiste | | | 3 | | | | 3 | | | | | |
| | Minimoni. | Artiste | | | 11 | 2 | | | 7 | 2 | 1 | 1 | | 50,00% |
| | Minimoni to Takahashi Ai + 4KIDS | Artiste | | | 1 | | | | 1 | | | | | |
| | MITSUI Aika | Interprète / Artiste | | | 1 | 1 | | | | | | | | |
| | Mitsui Aika with V-U-den | Artiste | | | 1 | 1 | | | | | | | | |
| | MIYAMOTO Karin | Interprète | | | | | | | | | | | | |
| | MIYAZAKI Yuka | Interprète | | | | | | | | | | | | |
| | MIYOSHI Erika | Interprète | | | | | | | | | | | | |
| | Momochi (TSUGUNAGA Momoko feat. Berryz Kōbō) | Artiste | | | 2 | 1 | | | | 1 | | 1 | | 100,00% |
| | MORI Saki | Interprète | | | | | | | | | | | | |
| | MORITO Chisaki | Interprète | | | | | | | | | | | | |
| | Morning Musume. | Artiste | | | 134 | 73 | 2 | 2 | 13 | 44 | 19 | 25 | | 56,82% |
| | Morning Musume. 10th Generation | Artiste | | | 1 | | | | | 1 | 1 | | | |
| | Morning Musume.’14 | Artiste | | | 14 | 7 | | | | 7 | 1 | 6 | | 85,71% |
| | Morning Musume.’15 | Artiste | | | 18 | 8 | 1 | | | 9 | 2 | 7 | | 77,78% |
| | Morning Musume.’16 | Artiste | | | 12 | 6 | | | | 6 | 2 | 4 | | 66,67% |
| | Morning Musume.’17 | Artiste | | | 13 | 7 | | | | 6 | 4 | 2 | | 33,33% |
| | Morning Musume. 20th | Artiste | | | 1 | | | | | 1 | 1 | | | |
| | Morning Musume. Otome-gumi | Artiste | | | 2 | | | | | 2 | 2 | | | |
| | Morning Musume. Sakura-gumi | Artiste | | | 2 | | | | 2 | | | | | |
| | Morning Musume. Tanjō 10 nen kinentai | Artiste | | | 1 | | | | | 1 | 1 | | | |