- 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
- King of Fighters: Another Day
- King of Nabari
- King of Prism All Stars: Prism Show☆Best Ten
- King of Prism by Pretty Rhythm
- King of Prism: Pride the Hero
- King of Prism: Shiny Seven Stars
- King of Thorn
- King's Game
- King's Raid: Ishi wo Tsugumono-tachi
- Kingdom
- Kingdom 3rd Season
- Kingdom 4th Season
- Kingdom Season 5
- Kingdom: Season 2
- Kingdom: Season 6
- Kingsglaive: Final Fantasy XV
- Kiniro Mosaic: Pretty Days
- Kiniro Mosaic: Thank You!!
- KINMOZA!
- Kinnikuman II Sei: Muscle Ninjin Soudatsu sen! Choujin Daisensou
- Kinnikuman II Sei: Ultimate Muscle
- Kinnikuman II Sei: Ultimate Muscle 2
- Kinnikuman: Perfect Origin Arc
- Kinnikuman: Perfect Origin Arc Episode 0
- Kinnikuman: Perfect Origin Arc Season 2
- Kino no Tabi: The Beautiful World - Nanika wo Suru Tame ni - Life Goes On.
- Kino's Journey
- Kino's Journey -the Beautiful World- the Animated Series
- Kino's Journey: Tower Country
- Kinoko Inu
- Kirakira Happy★Hirake! Cocotama
- Kirakira☆Precure A La Mode
- Kirakira☆Precure A La Mode Movie: Paritto! Omoide no Mille-Feuille!
- Kirara
- Kiratto Pri☆chan
- Kirby: Right Back at Ya!
- Kishibe Rohan wa Ugokanai
- Kishin Corps
- Kishin Houkou Demonbane
- Kishin Houkou Demonbane (TV)
- Kishin Taisen Gigantic Formula
- Kiss Him, Not Me!
- Kiss wa Hitomi ni Shite
- Kiss x Sis
- Kiss x Sis (TV)
- Kitarou Tanjou: Gegege no Nazo
- Kite
- Kite Liberator
- Kitty-Cat Fantasia
- Kitty's Studio
- Kiyo in Kyoto: From the Maiko House
- Kiznaiver
- Kizumonogatari I: Tekketsu
- Kizumonogatari II: Nekketsu
- Kizumonogatari III: Reiketsu-hen
- Kizumonogatari: Koyomi Vamp
- Kizuna
- Kizuna Ichigeki
- Kizuna no Allele
- Kizuna no Allele Season 2
- Kizuna: Much Ado About Nothing
- Knight Hunters
- Knight Hunters OVA
- Knight's & Magic
- Knights of Sidonia
- Knights of Sidonia
- Knights of Sidonia: Battle for Planet Nine
- Knights of the Zodiac: Saint Seiya
- Knights of the Zodiac: Saint Seiya - Battle for Sanctuary
- Knights on Debris
- Knights on Debris: Spark Reignited
- KO Century Beast Warriors
- Koala's Diary
- Kobato.
- Kobato.: Hajimete no Kobato.
- KochiKame: Tokyo Beat Cops
- Kochoki
- Kodocha
- Kodomo no Jikan (TV)
- Kodomo no Omocha
- Koi Kaze
- Koi Koi Seven
- Koi to Senkyo to Chocolate: Koi Imouto!
- Koihime†Musou
- Koisuru Boukun
- Koitabi: True Tours Nanto
- Kokkoku
- Kokoro Connect
- Kokoro Connect OVA
- Kokoro Toshokan
- Komada: A Whisky Family
- Komatta Jiisan
- Komi Can't Communicate
