- 1 CORTIS
- 2 CNBLUE
- 3 Clon
- 4 CHAGE and ASKA
- 5 CLC
- 6 CLOSE YOUR EYES
- 7 Crayon Pop
- 8 CRAVITY
- 9 Creepy Nuts
- 10 超特急
- 11 cozmez
- 12 CHiCO with HoneyWorks
- 13 CRYCHIC
- 14 Conton Candy
- 15 Chouchou
- 16 ClariS
- 17 chilldspot
- 18 CLubhunter
- 19 CHEEZE
- 20 coldrain
- 21 超ときめき♡宣伝部
- 22 Country Kko Kko
- 23 Crazy:B
- 24 CSR
- 25 CMDM
- 26 Casiopea
- 27 Click-B
- 28 cinnamons
- 29 Cerise Bouquet
- 30 Cellchrome