- Jaded Chaos - Humor strip by Kayzi and Dev, about Kayzi and Dev, two roommates whose lives revolve around computers and TV.
- Jane's World Comics - Both humorous and slice-of-life comic strip By Paige Braddock.
- Japanese Beetle - Episodes of superhero humor comic by Dave and Chris White.
- Jawtoons - J. Alan Wall's original cartoons, starring Bob Batts and Fat Gene as well as religious and holiday cartoon pages.
- Jeremy - The ongoing adventures of Dr. Frankenstein's youngest son. Created by Jon Morris.
- Jesus and Mo - Humorous adventures of Jesus and Mo.
- Joey Future Rocket Scientist - Single panels about Joey and some dim-witted antics.
- Josh Comics - A mix of slapstick comedy and strange humor.
- Journal of a Mad I.T. Guy - A log of the continuing adventures of a Computer tech that has been pushed too far. Computer generated comic strip by Mike McDade.
- Journey into History - Daily web-comic and weblog combination along with more occasional commentary on current events, technology and the state of comics.
- Jtrue.com - A gallerie of cartoons and search by descriptions. By James True.
- Jump Start - Robb Armstrong's strip about a married couple and their young kids.
- Juris - Humor strips about the legal profession, by Reinhard Caliebe and Bob Pladek. Also available in an e-book format for PDAs.
- Just Kidding - A weekly about the funny side of school life. Suitable for teachers, educators and everyone who loves kids. By Rod Maclean
- The Jet Pack Pets - Official page of the Disney Adventures Magazine strip.
- The Joke's on You - Daily cartoons and caption competitions by Phil Ryder and you.
- The Journal Comic - Comics by Drew Weing. A journal in comic strip form.
