- 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
- Komi-san wa, Comyushou desu. 2nd Season
- Komori-san Can't Decline!
- Kono Aozora ni Yakusoku wo: Youkoso Tsugumi Ryou e
- Kono Naka ni Hitori, Imouto ga Iru!: Ani, Imouto, Koibito
- Kono Oto Tomare!: Sounds of Life
- Kono Oto Tomare!: Sounds of Life Season 2
- Kono Sekai no Tanoshimikata: Secret Story Film
- Kono Subarashii Sekai ni Shukufuku wo!: Kono Subarashii Choker ni Shukufuku wo!
- Konohana Kitan
- KONOSUBA -God's blessing on this wonderful world!- Legend of Crimson
- KonoSuba: An Explosion on This Wonderful World!
- KonoSuba: God's Blessing on This Wonderful World!
- KonoSuba: God's Blessing on This Wonderful World! 2
- KonoSuba: God's Blessing on This Wonderful World! 2: God's blessing on this wonderful Art!
- KonoSuba: God's Blessing on This Wonderful World! 3
- KonoSuba: God's Blessing on This Wonderful World! 3 OVA
- Koro Sensei Quest!
- Kosuke-sama Rikimaru-sama: Konpeitou no Ryuu
- Kotaro Lives Alone
- Koukaku Kidoutai Arise: Another Mission
- Koukaku Kidoutai: SAC_2045
- Koukaku Kidoutai: SAC_2045 2nd Season
- Koupen-chan
- Kouryuu Densetsu Villgust
- Koutetsu Jeeg
- Koutetsu Sangokushi
- Koutetsujou no Kabaneri Movie 1: Tsudou Hikari
- Koutetsujou no Kabaneri: Ran - Hajimaru Michiato
- Koutetsushin Jeeg
- Kouya no Kotobuki Hikoutai Gaiden: Oozora no Harukaze Hikoutai
- Kowabon
- Kowarekake no Orgel
- Kowarekake no Orgel Special
- Kowloon Generic Romance
- Koyomimonogatari
- Kubo Won't Let Me Be Invisible
- Kud Wafter
- Kujibiki Unbalance (OVA)
- Kujibiki♥Unbalance
- Kuma Kuma Kuma Bear
- Kuma Kuma Kuma Bear Punch!
- Kuma Miko Specials
- Kumamiko: Girl Meets Bear
