- Kaijuu Girls Kuro: Ultra Kaijuu Gijinka Keikaku
- Kaijuu Girls: Ultra Kaijuu Gijinka Keikaku 2nd Season
- Kaijuu Sekai Seifuku (TV)
- Kaikan Phrase
- Kaina of the Great Snow Sea
- Kaina of the Great Snow Sea: Star Sage
- Kaitou Reinya
- Kaitou Reinya Pilot
- Kaitou Tenshi Twin Angel: Kyun Kyun Tokimeki Paradise!! OVA
- Kakegurui Picture Drama
- Kakegurui: Compulsive Gambler
- Kakegurui××
- Kakkou no Iinazuke Mini Anime
- Kakkun Cafe
- Kakurenbo: Hide & Seek
- Kakuriyo: Bed and Breakfast for Spirits
- Kakuriyo: Bed and Breakfast for Spirits 2
- Kakushigoto
- Kakushigoto
- Kakushigoto: The Movie
- Kakushite! Makina-san!!
- Kakyusei 2
- Kakyuusei: Elf Version - Anata dake wo Mitsumete...
- Kaleido Star
- Kaleido Star: Good da yo! Goood!!
- Kaleido Star: Legend of Phoenix - The Layla Hamilton Story
- Kaleido Star: New Wings Extra Stage
- Kamen no Maid Guy
- Kamen Rider Zero-One: Short Anime - Everyone's Daily Life
- Kamichama Karin
- Kamichu!
- Kamichu!: The Goddess is a Middle School Student (Specials)
- KamiErabi GOD.app
- KamiErabi GOD.app Season 2
- Kamigami no Asobi
- KamiKatsu: Working for God in a Godless World
- Kamikaze Kaitou Jeanne
- Kamisama Dolls
- Kamisama Dolls Specials
- Kamisama Hajimemashita OVA
- Kamisama Hajimemashita: Kako-hen
- Kamisama Hajimemashita: Kamisama, Shiawase ni Naru
- 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
- Kawa no Hikari
- 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
