Aliases
| Name | Aliases |
|---|---|
| Koji | Kouji, Koori-chan |
| Koji Koda | Anima, Kouji Kouda |
| Koji Shindo | Kouji Shindou |
| Koji Ueno | Ueno Koji |
| Kojima-sensei | Yoshiaki Ashikaga |
| Kojirou Arima | Shirou Akabane (赤羽 士郎) |
| Kojuro Katakura | The Dragon's Claws, Master Poet, Kojuurou Katakura |
| Kokapetl | Pichu |
| Koki Eto | Kouki Etou |
| Kokichi Ouma | Ultimate Supreme Leader |
| Kokkoro Natsume | コッコロ, Kokoro Natsume |
| Koko Matsumoto | Kouko Matsumoto |
| Kokomi Sangonomiya | Sole of the Deep |
| Kokone Fuwa | Cure Spicy |
| Kokono Aqua | Cocono Aqua |
| Kokoro Anzai | Kokoro |
| Kokoro Kouki | Shii, Si |
| Kokorowa | Koushi Oborozuki |
| Koku'Ou | Hei ying |
| Kokuro Utsubuki | Kokurou Utsubuki |
| Kokushibo | Michikatsu Tsugukini |
| Kolin | Helen |
| Koma Enji | Devil Ape |
| Komabayashi | Lady Mona Lisa |
| Komachi Akimoto | Cure Mint (キュアミント) |
| Komatsu's Friend | KOMATSU'S FRIEND |
| Komidori | Nameless Girl |
| Komille | Komir |
| Komugi Inukai | Cure Wonderful (キュアワンダフル) |
| Komugi Nakahara | Nurse Witch Komugi |