Jesus and Mo
- Humorous adventures of Jesus and Mo.
- http://jesusandmo.net

Journey into History
- Daily web-comic and blog combination along with more occasional commentary on current events, technology and the state of comics.
- http://www.journeyintohistory.com/

The Journeymen
- A comic parody of superhero comics and TV shows.
- http://journeymen.comicgenesis.com/

Joey Future Rocket Scientist
- Single panels about Joey and some dim-witted antics.
- http://jfrs.comicgenesis.com/

Jtrue.com
- A gallerie of cartoons and search by descriptions. By James True.
- http://www.jtrue.com/

Just Kidding
- A weekly about the funny side of school life. Suitable for teachers, educators and everyone who loves kids. By Rod Maclean
- http://www.justkiddingcartoons.com/

Josh Comics
- A mix of slapstick comedy and strange humor.
- http://www.joshcomics.com/

John's Cartoons
- Features the series Passfield! Offers an archive and updated weekly.
- http://www.johnscartoons.com/

Jones, Ben
- Offers samples of the cartoonist's work, available merchandise, and a link to the fan club.
- http://thebenjones.com/

Japanese Beetle
- Episodes of superhero humor comic by Dave and Chris White.
- http://www.thejapanesebeetle.com/

June Comics by Bill Alger
- A little girl saying adultish things - includes archives.
- http://www.junecomics.com/

Jawtoons
- J. Alan Wall's original cartoons, starring Bob Batts and Fat Gene as well as religious and holiday cartoon pages.
- http://www.jawtoons.com

Jasky Interregnum
- A portfolio of cartoons. Includes illustrations and a bio.
- http://www.jasky.com

Jen
- Weekly humor strip, plus panel cartoons and illustrations.
- http://www.jencomics.com

Juris
- Humor strips about the legal profession, by Reinhard Caliebe and Bob Pladek. Also available in an e-book format for PDAs.
- http://juriscomic.com

The Jet Pack Pets
- Official page of the Disney Adventures Magazine strip.
- http://www.jetpackpets.com

Jaded Chaos
- Humor strip by Kayzi and Dev, about Kayzi and Dev, two roommates whose lives revolve around computers and TV.
- http://www.jadedchaos.com/

The Joke's on You
- Daily cartoons and caption competitions by Phil Ryder and you.
- http://www.thefunnypages.com/

Jeremy
- The ongoing adventures of Dr. Frankenstein's youngest son. Created by Jon Morris.
- http://ape-law.com/jeremy

Jump Start
- Robb Armstrong's strip about a married couple and their young kids.
- http://www.unitedmedia.com/comics/jumpstart