- K-Sides - Band
- K-State Yosakoi - Dance Group
- Kadowaki, Mai - Voice Actress / Singer
- Kagesaki, Yuna - Manga Artist
- Kageshien - Performance Troupe
- Kageyama, Hironobu - Singer / Songwriter
- Kahan, Ben - Web Comic Creator, Ansem Retort
- Kaiju Big Battel - Costumed Wrestlers
- Kairu - Band
- Kajii, Takeshi - Associate Producer, Sony Computer Entertainment
- Kajiura, Yuki - Composer
- Kakinouchi, Narumi
- Kakuta, Teruo - Creator of Bondage Fairies
- Kalafina - Band
- Kalat, David - Historian, All Day Entertainment
- Kalish, Bruce - Writer / Producer
- Kalnick, Chris - Comic Inker / Illustrator, Comico / CO2 Comics
- Kamijo - Vocalist, Lareine
- Kamijyou, Yuu - Artist
- Kamishiro, Rai - Musician
- Kamiya, Akira - Voice Actor
- Kamiyama, Kenji - Director
- Kamui - Martial Artist Group
- Kandalaft, Michael A. - Web Comic Creator, That Monkey Tune
- Kane, Brian Foster - Musician
- Kane, Tom - Voice Actor
- Kanemitsu, Daniel
- Kanemori, Yoshinori - Character Designer
- Kannagi, Satoru - Writer, Digital Manga
- Kanno, Hiroki - Character Designer
- Kanno, Yoko - Composer
- Kano, Kyoko - Author
- Kano, Masumi - Designer, Baby, The Stars Shine Bright
- Kano, Mika - Actress / Singer
- Kanon - Musician
- kanon x kanon - Musicians
- Kanzaki, Masaomi - Japanese manga artist
- Kaplan, Liza - Voice Actress
- Kaplan, Neil - Voice Actor
- Karahashi, Takayuki - Interpreter
- Karantza, Alex - Programming Lead, Not So Random
- Karbowski, Brittney - Voice Actress
- Kardan, Kaveh - Advisor, Academy for Creative Media @ Univ. of Hawaii
- Kardash, Stacey - Artist, Maine Starving Artists
- Karisu-sama - Cosplayer
- Karma Shenjing - Band
- Katabuchi, Sunao - Writer / Director
- Katayama, Kazuyoshi - Director
- Kato, Hiromi - Animator, Madhouse
- Kato, Kumiko - Singer / Dancer
- Kato, Masazumi - Producer
- Kato, Yasuhisa - Character Designer / Animation Director
- Katoh, Nanae - Voice Actress
- Katoh, Ryousuke - Actor
- Katsumata, Hideo - Producer, A-1 Pictures
- Katsura, Masakazu - Artist
- Kaufman, Lloyd - Director / Producer / Actor
- Kaulfersch, Ron - Web Comic Creator, Van Von Hunter
- Kawaguchi, Katsumi - Toy and Model Producer
- Kawajiri, Yoshiaki
- Kawamori, Shoji - Animator / Director
- Kawamoto, Toshihiro - Animator / Character Designer
- Kawamura, Mai - Singer
- Kawamura, Maria - Voice Actress
- Kawasaki, Hirotsugu - Animator / Writer / Director
- Kawasaki, Itsuro
- Kawasumi, Ayako - Voice Actress
- Kawatsu, Kenjiro
- Kay, Hadley - Voice Actor
- Kaya - Musician
- Kaye, David - Voice Actor, Ocean Studios
- Kaze-hime - Artist
- Kazha - Band
- Kazuhiko, Kato
- Kazuma, Kodaka - Mangaka
- Kazuya, Tsurumaki
- Keaton, Josh - Voice Actor
- Kegler, Kevin - Visual & Performing Art Professor, Daemen College
- Kehring, James - Cosplayer
- Keisaku, Kimura - Author / Director
- Keith and Kosine - Band
- Keith-Shipp, Allison - Voice Actress
- Kekahuna, Richard - Producer, Bandai Entertainment
- Kellett, Dave - Comic Artist, Sheldon
- Kelly, Mike - Game Developer
- Kelly, Sean - Web Comic Creator, Smoke Emitting Diodes
- KellyJane - Cosplayer
- Kelts, Roland - Author
- Kemono - Artist
- Kennedy, H. A. "Chezhnian" - Web Comic Creator, Tamuran
- Kent, Trevor - Web Comic Creator, Taka Comics
- Kenworthy, Alexandra - Voice Actress
- Keogth, John - Web Comic Creator, Lucid TV
- Keranen, Carrie - Voice Actress
- Kerschl, Karl - Comic Artist
- Kerzner, Liana - Actress / Writer / Producer, Ed's Nite In
- Keshiki - Band
- ketchup mania - Band
- Keuck, Andre - Editor, Noobity Comics
- Keyes, Irwin - Actor
- Khanna, Dan - Artist
- Khouth, Gabe - Voice Actor
- Kidani, Takaaki - Founder / Producer, Broccoli
- Kidchan - Artist
- Kidokoro, Aoi - Manga Artist
- Kieran Strange - Musician
- Kikimo-dan
- Kikuchi, Hideyuki - Writer
- Kikuchi, Michitaka
- Kikukawa, Yukio - Producer
- Kikuta, Hiroki - Composer
- Kill Miss Pretty - Band
- Kim, Ian - Artist
- Kim, June - Artist
- Kim, Moon-saeng - Writer / Director
- Kim, Myung Hee - Artist, WirePop
- Kim, Richard "Pocky" - Translator / Con Personality
- Kimpton, Tab - Costume Maker / Comic Writer, Khaos Kostumes
- Kimura, Kuni - Translator
- Kimura, Shinichiro - Director
- Kimura, Shinji - Background Artist
- Kimura, Takahiro - Character Designer / Animation Director
- Kimura, Yu - Singer
- Kinetic Theory - Band
- King, Bryan - Co-Founder, Neo Realms Entertainment
- King, Martin
- Kingston, Alex - Actress
- Kinney, Donald - Doll Maker, Bishonen House
- Kinsella, Dr. Sharon - Doctor of Sociology, Yale University
- Kirby, Ian - Flash Designer, Broken Saints
- Kirby's Dream Band - Band
- Kirkindall, Elizabeth - Illustrator
- Kirkman, Robert - Comic Artist
- Kirkpatrick, Greg - Artist
- Kiryu - Musician
- Kishio, Daisuke - Voice Actor
- Kitadani, Hiroshi - Singer
- Kitade, Nana - Musician
- Kitakubo, Hiroyuki - Director
- Kitamura, Eri - Voice Actress
- Kitamura, Ryuhei - Director
- Kitao, Masaru - Character Designer
- Kitayama, Shigeru - Producer
- Kitazume, Hiroyuki - Character Designer
- Kitcho Daiko - Taiko Drummers
- Kite, Steve - Artist
- Kitsune Robot - Band
- Kitsune Soundsystem - Disc Jockey
- Kitta, Izumi - Voice Actress
- Kittyhawk - Web Comic Artist, Sparkling Generation Valkyrie Yuuki
- Kiuchi, Hidenobu - Voice Actor
- KL-chan - Doujinshi Artist
- Kleckner, Shawn - President and CEO, The Right Stuf International
- Klein, Jonathan - Vice President, New Generation Pictures
- Kleinhaus, Katy
- Klement, Jon - Artist
- Klinger, Leslie S. - Author / Editor
- Kneeland, Jon - Artist, Ninja Studios
- Knife, Sen'no - Manga Artist
- Knight, Aya - Author
- Knight, Elektra - Model / Actress / Self Defense Teacher, MacLeod Agency
- Knight, Jon - Comic Creator, Prototype Comics
- Knight, Tuesday - Actress
- Knight, Winters - Cosplayer
- Knighton, Gwen - Harpetrator
- Knotz, Michele - Voice Actress
- Knowles, Thomas W. - Author
- Knuckle Sandwich - Band
- Ko, Erik - Artist, Studio Udon
- Kobayashi, Jin - Artist
- Kobayashi, Makoto - Director / Production Designer
- Kobayashi, Mayumi - Int'l Product Manager, Rockstar Games
- Kobayashi, Onyx - Singer
- Kobayashi, Osamu - Director / Writer
- Kobayashi, Tsuneo - Director
- Kobayashi, Yumiko - Voice Actress
- Kobushi Taiko - Taiko Drummers
- Kodama, Kenji - Director
- Kodama, Satomi - Voice Actor
- Koenig, Walter - Actor / Writer
- Koepke, Robert - Armor Maker
- Koga, Ryoichi - Manga Artist
- Koge-Donbo - Manga Artist
- Koike, Takeshi
- Kojima, Masayuki - Director / Animator
- Kojokan Shinbutai - Samurai Sword Demonstration Group
- Kokmen, Ali - Marketing Manager, Del Ray Manga
- Kokusyoku Sumire - Band
- Kolesar, Alex - Artist
- Komada, Yoshihiro
- Kon, Satoshi - Director
- Konaka, Chiaki - Writer
- Konami Kode - Band
- Kondoh, Akino - Manga Artist
- Koneful, Mike - Artist
- Konietzko, Bryan - Writer / Producer
- Konishi, Katsuyuki - Voice Actor
- Koshi, Yasuhiro - Actor / Advisor, Big Fighter Project
- Kotalic, Page - Web Comic Artist
- Kotobuki, Kazuki
- Kotobuki, Tsukasa
- Kotoko - Musician
- Kou, Diana - Voice Actress / Cosplayer
- Koudelik, Jerry - Secret of Mana Theater
- Kouga, Yun - Manga Artist
- Koujina, Hiroshi - Director
- Koulikov, Mikhail - Graduate Sudent, Library Science, Indiana University
- Kovalic, John - Comic Artist
- Kovell, Joe - Writer
- Koyama, Takao - Writer
- Krahulik, Mike - Web Comic Artist, Penny Arcade
- Kramer, Corey - Web Comic Creator, Remedial Comics
- Kramer, R. Dustin - Web Comic Artist, Shogun al Carbon
- Kramer, Steve - Script Editor, Harmony Gold
- Kresky, Anthony - Site Admin, Yu-Gi-Oh: The Abridged Series
- Kristen, Marta - Actress
- Krix, Harrison - Prop Maker, Volpin Props
- Krstic, George - Writer / Producer
- Kubert, Adam - Artist
- Kugimiya, Rie - Voice Actor
- Kuhn, Andy - Comic Artist
- Kumi, Koda - Musical Performer
- Kuragiman - Photographer, Otaku High Photography
- Kurata, Hideyuki - Writer
- Kurenai - Band
- Kurkoski, Bettina M. - Artist / Author, Dreamworld Studio
- Kuro - Musician
- Kuroda, Yousuke - Writer
- Kurokawa, Azusa - Manga Artist
- Kurokawa, Shin - Producer / Translator / Developer
- Kurono, DJ - Disc Jockey
- Kurosaki, Maon - Singer
- Kurot - Doujinshi Artist
- Kurth, Steve
- Kurtz, Katherine - Author
- Kurtz, Scott - Creator, PvP
- Kusao, Takeshi - Voice Actor
- Kusari, DJ - Disc Jockey
- Kushida, Akira - Singer
- Kushner, Ellen - Writer / Performer / Storyteller
- Kutsuwada, Chie - Manga Artist
- Kuwai-sensei - Professor, Ohio State University
- Kwaguchi, Yumi - Cure Media USA
- Kwan, Jennie - Actress
- Kylee - Singer
- Kyoda, Tomoki - Director
- KyoDaiko - Taiko Drummers
- Kyoko, Hikami - Voice Actress
- Kyowa Québec - Manga Artists
- Kyte, Steve - Artist / Illustrator
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