Kari & Doug
- An archive of cartoons by Dave Mooney.
- http://karindoug.comicgenesis.com/

Kat-nap.com
- A humorous web comic about the adventures and misadventures of three wacky house cats and there friends. By Greg Collins.
- http://www.kat-nap.com/

KidNe Stone
- Off-beat strip that is designed to amuse and offend at the same time.
- http://www.peerlessdesign.com/kidnestone/

Katao
- An anthology about an average boy. Translated into English.
- http://www.niji.or.jp/home/ashizuka/2nd.html

Kastaway
- Fun and games in a hidden spaceship near Earth.
- http://kastaway.8k.com/

King, Jerry
- Features a gallery of cartoons and a portfolio.
- http://www.jerryking.com/

Kenation Comics
- Offers a collection of cartoons and includes projects, a sketch gallery and contact information about the artists.
- http://www.kenation.com/

Kim & Jason
- Features the daily and weekend cartoon, the cast, an archive, a gallery, ecards and games.
- http://kimandjason.com/e-cards/index.php

K. Rat
- Humorous strip about a domestic rat. By Andy Mosier.
- http://desert.net/tw/current/krat.htm

Klyde Morris
- A series featuring an aviation ant created by Wes Oleszewski poking fun at pilots, airlines, FAA, and aircraft manufacturers.
- http://www.klydemorris.com/

The K Chronicles
- Humorous comic, often with political overtones. By Keith Knight.
- http://www.kchronicles.com/

Krazy Larry
- A daily color humorous strip by Paul Southworth.
- http://www.krazylarry.com/

Kim and Jason
- Features character profiles, artwork and archive from creator Jason Kotecki.
- http://www.kimandjason.com/kjhome.html

Ko Fight Club
- A variety of game related and other comics by the artist, collected under this title, includes archived strips.
- http://www.kofightclub.com/

Kartoon Factory
- Cartoons, and online greeting cards.
- http://www.mrbilly.com

Kaniamania
- Daily cartoon by Chris Kania. Also offers Pointcast channel with daily updates.
- http://www.kaniamania.com/