| K, Koyomi | |
| K-i, K-ichi (prisoner KK47331) | |
| K., K. | Anime: Kekkai Sensen, Kekkai Sensen: Ousama no Restaurant no Ousama, Kekkai Sensen & Beyond |
| K. Rogers, Edger | |
| K. Winchester, Claude (Mr. K) | Anime: Gravitation, Gravitation: Lyrics of Love |
| Ka, Shin (Doushu) | Anime: Saiunkoku Monogatari 2nd Season |
| Ka, Koubun | Anime: Magi: The Labyrinth of Magic, Magi: The Kingdom of Magic |
| Ka, Gafra | |
| Ka, Koushun (Xia Gaojun) | Anime: Koukyuu no Karasu |
| Ka, Song | Anime: Mu Qi Ling 2: Sheng Tian Ling Zhong |
| Ka, Meiin (He Mingyun) | Anime: Koukyuu no Karasu |
| Ka, Inyong | |
| Ka-Fai, Yuan | Anime: Tales of Symphonia The Animation: Sylvarant-hen, Tales of Symphonia The Animation: Tethe'alla-hen, Tales of Symphonia The Animation: Tethe'alla-hen Specials, Tales of Symphonia The Animation: Sekai Tougou-hen |
| Kaai, Yuki (Yukina Freesis, Yuki Kaina) | Anime: Kyoufuu All Back |
| Kaaihue, Ohana | Anime: Hula Fulla Dance |
| Kaan, Raja | Anime: Infini-T Force |
| Kaana, Lim (Rim Kaana) | |
| Kaba, Megumi | Anime: Aggressive Retsuko, Aggressive Retsuko (ONA), Aggressive Retsuko (ONA) 2nd Season, Aggressive Retsuko: We Wish You a Metal Christmas, Aggressive Retsuko (ONA) 3rd Season, Aggressive Retsuko (ONA) 4th Season, Aggressive Retsuko (ONA) 5th Season |
| Kabachi, Tarou | Anime: Ahiru no Sora |
| Kabaji, Munehiro | Anime: Tennis no Oujisama, Tennis no Oujisama: Atobe kara no Okurimono - Kimi ni Sasageru Tennis Prince Matsuri, Tennis no Oujisama: Zenkoku Taikai-hen, Tennis no Oujisama: Zenkoku Taikai-hen - Final, Tennis no Oujisama: Another Story - Kako to Mirai no Message, Tennis no Oujisama: The Band of Princes Film Kick the Future, Tennis no Oujisama: Another Story II - Ano Toki no Bokura, Tennis no Oujisama Movie 2: Eikokushiki Teikyuu Shiro Kessen!, Tennis no Oujisama: Pair Prince, Shin Tennis no Oujisama, Shin Tennis no Oujisama Specials, Shin Tennis no Oujisama vs. Genius 10, Tennis no Oujisama: Best Games!!, Shin Tennis no Oujisama: Hyoutei vs. Rikkai - Game of Future |
| Kabakura, Tarou | Anime: Wotaku ni Koi wa Muzukashii, Wotaku ni Koi wa Muzukashii OVA |
| Kabamoto, Tatsuya | Anime: Brigadoon: Marin to Melan |
| Kabane, Myouun Hirohiko | |
| Kabane, Myouun Nui | |
| Kabane, Risa | Anime: Mihitsu no Koi |
| Kabane, Youshichi | |
| Kabasawa, Taichi | Anime: Odd Taxi, Odd Taxi Movie: In the Woods |
| Kabashima, Anita | Anime: Major 2nd 2nd Season |
| Kabashima, Umetarou | Anime: Tsurune: Kazemai Koukou Kyuudou-bu, Tsurune: Tsunagari no Issha |
| Kabata, Inasaku | Anime: Osu!! Karate-bu |
| Kabata, Shizune | Anime: Inazuma Eleven Go: Galaxy |
| Kabata, Taruhiko | Anime: Inazuma Eleven Go |
| Kabayagi, Una | |
| Kabayama, Yuri | |
| Kabayama (Sartyr, Curry Mask) | Anime: Yu☆Gi☆Oh! Duel Monsters GX |
| Kabayama, Daikichi | Anime: Ultra B |
| Kabayan, Brooke | Anime: Kidou Senshi Gundam: Tekketsu no Orphans |
| Kabe, Narumi | Anime: Kokoro ga Sakebitagatterunda. |
| Kabe, Tomoe | Anime: Hibike! Euphonium, Hibike! Euphonium: Kakedasu Monaka, Hibike! Euphonium 2, Hibike! Euphonium Movie 1: Kitauji Koukou Suisougaku-bu e Youkoso, Hibike! Euphonium Movie 2: Todoketai Melody, Hibike! Euphonium Movie 3: Chikai no Finale |
| Kabe, Shizuku | Anime: Saint Luminous Jogakuin |
| Kabekawa, Mousse | Anime: Magical Nyan Nyan Taruto |
| Kabeya, Gaku | |
| Kabeyama, Heigorou (Jack Wallside) | Anime: Inazuma Eleven, Inazuma Eleven: Saikyou Gundan Ogre Shuurai, Inazuma Eleven Go, Inazuma Eleven Go: Kyuukyoku no Kizuna Gryphon, Inazuma Eleven Go vs. Danball Senki W Movie, Inazuma Eleven: Ares no Tenbin, Inazuma Eleven x Kaitou Gru no Tsuki Dorobou, Inazuma Eleven: Reloaded - Soccer no Henkaku, Inazuma Eleven: Orion no Kokuin |
| Kabeyama, Saku (Zak Wallside) | Anime: Inazuma Eleven |
| Kabirov, Kim | Anime: Macross, Macross: Do You Remember Love? |
| Kabou, Mira | |
| Kabu, Nariaki | |
| Kabuki, Seigan | |
| Kabuki, Shun | |
| Kaburagi, Naka (Naka-pyon) | |