- K-ON!
- Kage Kara Mamoru!
- Kaiba
- Kaitou Reinya
- Kaitou Tenshi Twin Angel
- Kakurenbo
- Kaleido Star - Legend of Phoenix
- Kamen no Maid Guy
- Kamichama Karin
- Kamichu!
- Kamisama Kazoku
- Kampfer
- Kanamemo
- Kannagi: Crazy Shrine Maidens
- Kannazuki no Miko
- Kanokon
- Kanokon (OAV)
- Kanon
- Kanon (2006)
- Kappa no Coo to Natsuyasumi
- Karas
- Karin
- Kashimashi - Girl meets Girl
- Katanagatari
- Kaze no Stigma
- Keitai Shoujo
- Kekkaishi
- Kemeko-DX, The Unknown Girl Friend
- Kemono no Souja Erin
- Kemono Zume
- Kenko Zenrakei Suieibu Umisho
- Kenran Butoh Sai - The Mars Daybreak
- Keroro Gunso
- Keroro Gunsou the Movie
- Key Princess Story Eternal Alice Rondo
- Kiba
- Kiddy Girl-and
- Kiddy Grade
- Kiddy Grade - Ignition
- Kiddy Grade - Maelstrom
- Kiddy Grade - Truth Dawn
- Kidou Senshi Z Gundam - A New Translation
- Kidou Shinsengumi Moeyo Ken TV
- Kigeki
- Kigurumikku V3
- Kikoushi Enma
- Kikumana
- Kill Bill
- Kimi ga Aruji de Shitsuji ga Ore de - They Are My Noble Masters
- Kimi ga Nozomu Eien
- Kimi ga Nozomu Eien: Next Season
- Kimi ni Todoke
- Kimihagu
- KimiKiss Pure Rouge
- King of Bandit Jing
- King of Beetle Mushiking - Legend of the Forest People
- King of Fighters - Another Day
- Kingdom of Chaos - Born to Kill
- Kinnikuman Second Generations Movie 1
- Kino no Tabi Episode 0 - Tower Country - Free Lance
- Kino's Journey - the Beatiful World
- Kino's Journey - the Land of Sickness -For You-
- Kino`s Journey: Life Goes On
- Kirara
- Kirarin Revolution
- Kirby: Right Back At Ya!
- Kirepapa
- Kishin Taisen Gigantic Formula
- Kiss Dum: Engage Planet
- Kiss x Sis
- Kita e: Diamond Dust Drops
- Kite Liberator
- Knights of the Zodiac: The Lost Canvas
- Kobato.
- Kodai Ouja Kyouryuu King
- Kodomo no Jikan
- Kodomo no Jikan: Ni Gakki
- Koharu Biyori
- Koi Kaze
- Koihime
- Koihime Musou
- Koihime Musou OAV
- Kojin Jugyou The Animation: Schoolgirl ready for a private lesson
- Kono Aozora ni Yakusoku wo
- Kotatsu Neko
- Kotetsushin Jeeg
- Koutetsu Sangokushi
- Kowarekake no Orgel
- Kujibiki Unbalance
- Kujibiki Unbalance (2006)
- Kurau - Phantom Memory
- Kurenai
- Kuro Shitsuji
- Kuroshitsuji OAV
- Kurozuka
- Kuruneko
- Kuuchuu Buranko
- Kyou Kara Maou - 3rd Series
- Kyou no 5 no 2 (2009)
- Kyou no Go no Ni (2008)
- Kyoushirou to Towa no Sora
