- Kamisama Kazoku
- Kamisama Kiss
- Kamisama Kiss: 2nd Season
- Kamitsubaki City Under Construction
- Kamitsubaki City Under Construction: Witchling Part 1
- Kämpfer
- Kämpfer für die Liebe
- Kanamemo
- Kanamewo
- KanColle Season 2: Let's Meet at Sea
- KanColle: Kantai Collection
- Kandagawa Jet Girls
- Kandagawa Jet Girls OVA
- Kandagawa Jet Girls Recap
- Kangaeru Jikan
- Kannagi: Crazy Shrine Maidens
- Kannagi: Moshimo Kannagi ga Attara...
- Kanojo ga Flag wo Oraretara: Christmas? Sonna Mono ga Boku ni Tsuuyou Suru to Omou no ka?
- Kanojo to Kanojo no Neko: Everything Flows
- Kanojo, Okarishimasu Petit
- Kanokon Specials
- Kanokon: Manatsu no Dai Shanikusai
- Kanokon: The Girl Who Cried Fox
- Kanon
- Kanon (2006)
- Kanon (Special): Kazahana
- Karakai Jouzu no Takagi-san: Water Slide
- Karasu Tengu Kabuto
- Karasu Tengu Kabuto: Ougon no Me no Kemono
- Karate Master
- Karin
- Karneval (TV)
- Karuizawa Syndrome
- Karura Mau Movie
- Kase-san and Morning Glories
- Katana Maidens: Toji no Miko
- Katanagatari
- Katekyo Hitman Reborn! x ēlDLIVE Special
- Katri, Girl of the Meadows
- Katsugeki Shoujo Tanteidan
- Katsugeki Touken Ranbu
- Katte ni Kaizou
- Kawagoe Boys Sing
- Kay's Daily Doodles
- Kaze no Matasaburou
- Kaze wo Nuke!
- Keep it a Secret from Maria-sama
- Keep it a Secret from Maria-sama
- Keep Your Hands Off Eizouken!
- Keifuku-san
- Keijo!!!!!!!!
- Keijo!!!!!!!! Specials
- Keio Flying Squadron
- Keishichou Tokumubu Tokushu Kyouakuhan Taisakushitsu Dainanaka: Tokunana
- Keishichou Tokumubu Tokushu Kyouakuhan Taisakushitsu Dainanaka: Tokunana OVA
- Keitai Shoujo
- Kekkai Sensen & Beyond: Zapp Renfro Ingaouhouchuu!!/Baccardio no Shizuku
- Kekkaishi
- Kekkou Kamen
- Kemeko Deluxe!
- Kemono Friends
- Kemono Friends 2
- Kemono Jihen
- Kemono Michi: Rise Up
- Kemono to Chat
- Kemurikusa (TV)
- Kenda Master Ken (TV)
- Kengan Ashura
- Kengan Ashura 2nd Season Part 2
- Kengan Ashura Part 2
- Kengan Ashura Season 2
- KenIchi: The Mightiest Disciple
- KenIchi: The Mightiest Disciple OVA
- Kenka Bancho Otome -Girl Beats Boys-
- Kenkou Zenrakei Suieibu Umishou
- Kennel Tokorozawa
- Kennosuke-sama
- Kenritsu Umisora Koukou Yakyuubu-in Yamashita Tarou-kun
- Kenya Boy
- Kenzen Robo Daimidaler Specials
- Keroro Movie 3
- Ketsuekigata-kun!
- Ketsuekigata-kun! 2
- Ketsuekigata-kun! 3
- Ketsuekigata-kun! 4
- Ketsuekigata-kun! Featuring Yuri & Nasuno
- Key the Metal Idol
- Keyboard Immortal
- Kibou no Chikara: Otona Precure '23
- Kick-Heart
- Kicks And Punk
- Kiddy Girl-AND
- Kiddy Grade
- Kids on the Slope
- Kigurumikku V3
- Kigyou Senshi Yamazaki: Long Distance Call
- Kiitaro's yokai picture diary
- Kikaider 01: The Animation
- Kiki's Delivery Service
- Kikou Heidan J-Phoenix: PF Lips Shoutai
- Kikou Kai Galient
- Kikou Ryohei Mellowlink
- Kiku-chan to Ookami
- KILL la KILL
- Kill Me Baby
- Kill Me Baby: Butsuzou Kegatte Nise Halloween
- Killer Seven
- Killing Bites
- Kimagure Orange Road TV Pilot
- Kimagure Orange☆Road
- Kimagure Orange☆Road OVA
- Kimagure Orange☆Road: Ano Hi ni Kaeritai
- Kimama ni Idol
- Kimba the White Lion
- Kimera
- Kimetsu Academy: Special Edition
- Kimetsu Academy: Valentine Edition
- Kimi dake ni Motetainda.
- Kimi ga Aruji de Shitsuji ga Ore de
- Kimi ni Todoke - From Me To You Season 2 – A Crush
- Kimi ni Todoke: From Me to You
- Kimi ni Todoke: From Me To You 2
- Kimi ni Todoke: From Me to You Season 3
- Kimi no Iru Machi OVA
- Kimi no Iru Machi: Tasogare Kousaten
- Kimi no Matsu Mirai (Basho) e
- KimiKiss Pure Rouge: Love Fighter
- KimiKiss: Pure Rouge
- Kindaichi Case Files Special
- Kindaichi Shounen no Jikenbo
- Kindaichi Shounen no Jikenbo Movie 1: Operazakan - Aratanaru Satsujin
- Kindaichi Shounen no Jikenbo Returns 2nd Season
- Kindaichi Shounen no Jikenbo Returns 2nd Season: Akechi Keibu no Jikenbo
- King From Now On!
- King of Braves GaoGaiGar
- King of Braves GaoGaiGar Final Grand Glorious Gathering
