| Name | Alternative/Original Name | Tags |
|---|---|---|
| Katy Perry feat Snoop Dogg | Female, English, Pop, Collaboration | |
| Kaye Ballard | Female, English, Pop | |
| Kelly Clarkson | Female, English, Pop | |
| Kiroro | キロロ | Female, Band, Japanese, J-Pop |
| Kitchie Nadal | Female, OPM, Rock | |
| Konata Izumi (Aya Hirano) | 泉こなた（平野綾） | Female, Character, Japanese, J-Pop |
| KOTOKO | Female, Japanese, J-Pop | |
| Kumi Kouda | 倖田來未 | Female, Japanese, J-Pop |
| Kyary Pamyu Pamyu | きゃりーぱみゅぱみゅ | Female, Japanese, J-Pop |
| Lady Gaga | Female, English, Pop | |
| LeAnn Rimes | Female, English, Pop, Country | |
| LiSA | Female, Japanese, J-Pop | |
| LOREN & MASH | Female, Japanese, J-Pop | |
| Luna Haruna | 春奈るな | Female, Japanese, J-Pop |
| Maaya Sakamoto | 坂本真綾 | Female, Japanese, J-Pop |
| Maaya Sakamoto feat. Steve Conte | Female, English, Collaboration, Japanese, J-Pop | |
| Madonna | Female, English, Pop | |
| Mai Yamane | 山根麻以 | Female, Japanese |
| Maki Ohguro | 大黒摩季 | Female, Japanese, J-Pop |
| Makoto Kawamoto | 川本真琴 | Female, Japanese, J-Pop |
| Mandy Moore | Female, English, Pop | |
| Mandy Moore and Jonathan Foreman | Male, Female, English, Collaboration, Rock | |
| Mariah Carey | Female, English, Pop, R&B | |
| Mariah Carey & Boyz II Men | Male, Female, English, Pop, Collaboration, R&B, Group | |
| Mari Iijima | Female, Japanese, J-Pop |