 | Ka D'Argo | Farscape | 1 |
| Kade Whiteclaw | Eerie Cuties | 1 |
| Kagura Nakahito | Steel Angel Kurumi | 2 |
| Kajiwara Umi | Charming Junkie | 1 |
| Kanazuchi Yuuki | Sparkling Generation Valkyrie Yuuki | 1 |
| Kang Un Ryu | Hush (Korean) | 1 |
 | Karen Starr | A New World in my View | 1 |
| Karin | Naruto | 1 |
| Kasamura Tagaki | Couch Trips | 1 |
| Kashiwagi Makoto | Boku no Futatsu no Tsubasa | 1 |
| Katsuragi Ryou | Penguin Revolution | 1 |
| Keila Jedrik | The Dosadi Experiment | 1 |
| Kelrik | Rescueing A Princess | 1 |
| Kenichi | Body Transfer | 1 |
| Kenzō Sugiyama | Blue Drop ~Angels We~ | 1 |
| Kim Possible | Kim Possible | 1 |
| Kip Martin | Zoot Suit | 1 |
| Kisaragi Reina | Here is Greenwood | 1 |
| Kisaragi Shun | Here is Greenwood | 1 |
| Kitten | Breakfast on Pluto | 1 |
| Kohinata Yuuma | Happiness! | 1 |
| Koriand'r (Starfire) | Teen Titans | 1 |
| Kozuki Tsukasa | Tokyo Crazy Paradise | 1 |
| Kudo Kouji | X-Change | 2 |
| Kumekawa Iori | Mahou Shounen Majorian | 1 |
| Kuno Kodachi | Ranma ½ | 1 |
| Kuonji Ukyo | Ranma ½ | 1 |
| Kurt Wagner (Nightcrawler) | X-Men: Evolution | 1 |
| Kurumi | Steel Angel Kurumi | 1 |
| Kusamochi Mizuki | Mother's Day | 1 |
| Kusanagi Makoto | Ghost in the Shell | 1 |
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