Intelligent Humor  
   Offbeat comic, also known as "Big Meaty Chunks", by Chris Williams. Collected by Steven Dengler of Xenon Labs.
   http://www.xe.net/inthumor/

Innies and Outties  
   Funny comic strip about two latchkey kids imagining their way through the enchanted land of suburbia. By Leonard Cachola.
   http://www.inniesandoutties.com

It Could Happen  
   A comic strip which takes a unique and entertaining look into the life of a home schooling family. By Gail Anne.
   http://www.itcouldhappen.com/

It's a Jungle Out There  
   Single-panel cartoons for newsletters, magazines and newspapers.
   http://members.tripod.com/~Christophe_Granet/

It Happens Every Day ...  
   Weekly family comic strip featuring the lives of the Brenner family. by Sonia Oppenheim.
   http://www.familycomic.com

Ink  
   A comic strip about a full-time father/part-time cartoonist and his family. By Jason Milfred.
   http://www.inkography.com

Ink On Paper  
   We've got Magic Pig, Supa Fly, Bob Quackers and more strips.
   http://www.geocities.com/bobquackers/comix/

The Infirm  
   Humor comic about a first-year associate attorney.
   http://www.baywalk.com/cartoons/infirm.htm

Isometric  
   A comic strip drawn entirely with isometric perspective cubes.
   http://isometric.spaceninja.com

Insane Add-a-Panel  
   Add a panel to this comic. An always changing comic.
   http://www.zerotv.com/addapanel/panel.cfm?pt=multi

Inktank.com  
   Two strips: Angst Technology, about a game development company, and Weak-end Warriors, about paintball.
   http://www.inktank.com

The Imp  
   A humor strip about hell, by Jose Arroyo and Robin Reed.
   http://www.barstowproductions.com

If Dinosaurs Could Fly Helicopters  
   Offers about, cartoons, jokes and a gallery.
   http://www.members.aol.com/flyingdinosaurs/

In the Bleachers  
   Steve Moore's syndicated humor cartoon about sports.
   http://www.ucomics.com/inthebleachers/

It's a Crock  
   A weekly cartoon about some of the absurdities of everyday life in America. The cartoon features Cloe and Ocks the Albino Crocks.
   http://members.aol.com/densrf2/page1.htm

I Hate You Comic  
   Features a personal blog and a gallery of cartoon strips.
   http://www.ihateyoucomic.com

Ida Arts  
   A gallery of cartoons about a misfortunate cat named Cas.
   http://www.angelfire.com/id2/iddproductions/

Interns  
   Features three interns as they work at a prominent comic book publisher. Includes character bios.
   http://www.internsthecomic.com/

Is This Tomorrow?  
   Features collections, a history, and archives of various strips. Created by Kelly Shane & Woody Compton.
   http://www.isthistomorrow.com/