K
- Ken Kojima - Golf (Virtual Boy), Blaze and Blade: Eternal Quest, The Note (video game), Red Alarm, 3D Tetris, Cu-On-Pa
- Yuko Kadota – X-Men vs. Street Fighter (with Yuki Iwai), Super Puzzle Fighter II Turbo (with Tatsuro Zuzuki, Isao Abe, Syun Nishigaki, Setsuo Yamamoto and Takayuki Iwai), Star Gladiator (with Isao Abe), Marvel Super Heroes vs. Street Fighter (with Yuki Iwai)
- Toshio Kai – Pac-Man
- Akari Kaida – Breath of Fire III, Rockman & Forte, the Battle Network Rockman.EXE series, Resident Evil
- Yuki Kajiura – Xenosaga Episode II: Jenseits von Gut und Böse, Xenosaga Episode III: Also sprach Zarathustra
- Toshiyuki Kakuta – Z.O.E ~Zone of the Enders~, Beatmania, Beatmania IIDX, GuitarFreaks, DrumMania, and Dance Dance Revolution
- Tomoki Kanda – Katamari Damacy
- Naoki Kaneda – Ys V: Ushinawareta Suna no Miyako Kefin (from the Ys series)
- Yumiko Kanki – F-Zero (with Naoto Ishida), Star Fox 2 (with Kozue Ishikawa)
- Yoko Kanno – Genghis Khan, Nobunaga's Ambition series, Uncharted Waters series, Macross Ace Frontier, Macross Ultimate Frontier, Macross Triangle Frontier
- Sanae Kasahara – Cho Aniki: Kyuukyoku Muteki Ginga Saikyou Otoko
- Jake Kaufman – Shantae, M&M's Minis Madness, Legend of Kay, TMNT (Nintendo DS), Contra 4 (upcoming)
- Kenji Kawai – Sansara Naga (series), Deep Fear, Folklore
- Yasuhiro Kawakami – Final Fantasy Mystic Quest, Chocobo's Dungeon 2, Tobal No. 1
- Tamayo Kawamoto – Zuntata sound team, Black Tiger, Last Duel, Forgotten Worlds, Ghouls n' Ghosts, Pang, Night Striker, Raycrisis, Rayforce, Raystorm
- Yasuhiro Kawasaki – Illusion of Gaia
- Hiroki Kikuta – Secret of Mana, Seiken Densetsu 3, Soukaigi, Koudelka, Soranoiro, Mizunoiro
- Tadashi Kimijima – Bubble Bobble (Sega Master System), Rainbow Islands (Sega Master System port, with Hisayoshi Ogura)
- Masahiko Kimura – Castlevania 64, Castlevania: Dawn of Sorrow, Suikoden III
- Steve Kirk – Voodoo Vince, Zodiac, Realms of Gold, Word Spiral, Four Houses, Flying Leo
- Grant Kirkhope – Banjo-Kazooie, Donkey Kong 64, Banjo-Tooie, GoldenEye 007, Perfect Dark, Blast Corps
- Yoshihiko Kitamura – Fire Emblem: Seima no Kouseki
- Frank Klepacki – All of Westwood Studios' games while the developer was independent, including the popular Command & Conquer series.
- Mark Klem – Wacky Wheels
- Chris Kline aka vertexguy – Bionic Commando , Pinball Hall of Fame: The Gottlieb Collection, Pinball Hall of Fame: The Williams Collection
- Mark Knight – Dungeon Keeper 2, Populous the Beginning, Duke Nukem: Total Meltdown, Warhammer: Dark Omen and more.
- Hideyaki Kobayashi – Phantasy Star Online
- Keiki Kobayashi – Soulcalibur III Original Soundtrack ~Legend of Sounds~, Ace Combat 04, Ace Combat 5, Ace Combat Zero, Ace Combat 6, Ace Combat Assault Horizon
- Miyoko Kobayashi – Terranigma, Atelier Lilie ~Alchemist of Salburg 3~, Hermina & Culus ~Another Side Story of Atelier Lilie~, The Granstream Saga
- Saori Kobayashi – Panzer Dragoon series, Shadowgate 64: Trials of the Four Towers
- Masato Koda – Dungeons & Dragons: Shadow over Mystara, Magical Tetris Challenge
- KONAMI KuKeiHa CLUB (KONAMI's sound team)
- Fumi Kumatani – Sonic Adventure
- Koji Kondo – Super Mario Bros. series, The Legend of Zelda series, Star Fox series, Yume KouJou Doki Doki Panic, New Demon Island, The Mysterious Castle of Murasame, Super Smash Bros. Brawl (with many others)
- Yuzo Koshiro – Castlevania: Portrait of Ruin (with Michiru Yamane), ActRaiser, ActRaiser 2, Ys series, Streets of Rage series, Revenge of Shinobi, Super Adventure Island
- Taro Kudo – Axelay, Super Castlevania IV (with Masanori Adachi)
- Club Kukeiha – see KONAMI KuKeiHa CLUB
- Masaya Kuzume – Tetris Attack
- Jesper Kyd – Hitman series, Freedom Fighters, MDK2, Adventures of Batman & Robin, Assassin's Creed
- Koichi Kyuuma – Metroid Prime
- Junya Kozakai – Shinseiki GPX: Cyber Formula, Ristar (Sound Programmer)
Read more about this topic: List Of Video Game Musicians