Producer list
- K2Cee
- Kababo
- Kachusha
- Kadenza
- Kadius Dar
- Kadokawa Corporation
- Kadokawa Dwango
- Kadokawa Games
- Kadokawa Shoten
- kaelynmauve
- KAEN
- Kae Pro
- Kaerinokai2
- Kaeru Soft
- Kaga Create Co.
- Kagahan
- Kageboushi
- Kagerou 01 Gata
- Kagetsu Gumi/Fairytale
- KagiProjects
- Kagishippo
- Kagura Dou
- Kagura Games
- Kagura Saitoh
- Kai
- Kaijuu
- Kaikoku Soft
- Kaireen-chan
- Kaishui Gongzuo Shi
- Kaiz
- Kakehashi Games
- Kakei
- Kakukaku Jin
- Kakusan Fuudou
- Ka*Kuu
- kalanhow
- Kaleidofish Studios
- Kalmia*
- Kalmia8
- Kameb
- Kamen Shoukai
- Kamibukuro
- Kami Honyaku
- Kamille
- Kaminari Entertainment
- KAMINEKO ENTERTAINMENT
- KaminGames
- KamiyaSoft
- kamomile
- Kamyu
- Kanade
- Kanazawa Jitensha Gakkou
- Kaneyasu Han
- Kanisky
- Kanna
- Kannazuki Seikakusho Tsumami Gumi
- Kannazuki Seisakusho
- KANON-57
- Kansha-Sai Soft
- Kanshin Soft
- Kappadou
- KaptainLexx
- Karakuri
- Karakuri-ism
- Kara Stone
- Karen Soft
- Karin Chatnoir Ω
- Karin Entertainment
- Karinto
- Kashimashi ☆ Tryful
- Kasugachou
- Kasuga Soft
- KaTana
- Kate
- Kate Fosk
- KateGamesStudio
- Kate Pullinger
- Katokichi
- Katsudou Mangaya
- Katsumiya
- Katze
- KawaiiKitsuneLover645
- Kawaiivil Studio
- Kawamata Hiruma
- Káwa Project
- Kawa Soft
- Kawatori Shinji
- Kawauso Soft
- Kawayide1
- Kazaguruma Neko
- Kazaguruma Seisakusho
- Kazuny
- KBros Games
- KCDDP
- KCET
- KDays
- K-DRIVE!
- Kedamono Soft
- Keeha
- Keepers of Time
- Keinart Lobre
- Keirin
- Keith McNally
- Kejin Hanhuazu
- kelpienet
- Keluturtle
- Kemco Corporation
- KEN and Beniiro
- Ken Ken
- Kenkou Land
- Kermit
- Kerny
- KeroQ
- Kerowin
- KEXBOY
- Kexue She
- Key
- Key Fans Club
- Key Spanish Fanclub
- Khan Art Studio
- khfan12
- khywae
- Kibou Games
- Kibou Project
- KiboYami
- Kichiku Yarou
- KID
- Kidalang
- KID Fans Club
- Kidnap Company
- KIDS Fans Channel
- Kids Station
- Kihara Corp
- Kikai Digital
- Kikaishiki Shoujo (mechanical-girl)
- Kikered
- Kiki Co., Ltd.
- KiKo
- Killaware Ltd.
- Killer Bees Games
- Kimagure Chamois
- Kimgaemandoo
- Kimikakesou
- Kimi to Issho ni Production Committee
- KimmiChan
- Kimmie
- Kimmykun
- kimyoshiko
- Kinakonoyama
- Kind Kanji Studio