Prince Valiant - Prince Valiant, Prinz Eisenherz. Everything published with a picture and an estimated value. - http://www.princevaliant.net/
Past Expiry cartoon - Discover this weird and offbeat single panel cartoon. By Johnny Ancich. - http://home.golden.net/~pastexpiry/
Paranoid Joe - For Joe, just saying "hello" has a pitfall of dangerous meanings and connotations. By Michael Ewing. - http://www.michaelewing.co.uk/pjoe/
PiggyHunter - Online strip about a girl and her cute little flying pig. By Henry Chu. - http://www.ponju.com/PiggyHunter/comic.php
Plotless Violence - A humorous webcomic featuring Martial Arts fight scenes. - http://plotlessviolence.comicgenesis.com/
Peno - Features archives, cast and bio. By Jamal Slater. - http://peno.comicgen.com/
Paragon Fishing - Features the exploits of three characters, two of which are roommates. Not always a happy ending. - http://paragonfishing.comicgenesis.com/
P and P - Online comic whose cast includes a bird, a worm, and two brothers and a band. By Richard Gwynn. - http://pandpcomic.comicgenesis.com/
Pretty Heavy - A pub in the weirdest town on earth. Surreal humor webcomic by Gareth Allen. - http://heavy.comicgenesis.com/
Plume & Peck - Features two best friends; a robin who embraces bird life and a blue jay weary of daily fowl rituals. - http://www.plumeandpeck.com/
Parallel Universe - Taking on controversial subject matter, current events, American culture and turning on reality. By John Whelan and Aaron Riddle. - http://www.parallelcomic.com/
PartiallyClips - This is a twice-weekly clip art comic strip for grownups, by Rob Balder. - http://www.partiallyclips.com/
Pathetisad the Comic - About a group of friends who barely tolerate each other and hardly understand reality. - http://www.pathetisad.com/
PsyZoo - The setup is like a movie stage where the producer, comic strip maker and assistant are trying to create normal comic strips. - http://www.psyzoo.com/
Pengcognito - Adventures of the fashion-challenged, herring obsessed inhabitants of an odd little penguin-dominated parallel universe. - http://www.pengcognito.com/
Perry Bible Fellowship Archives - Online archives of the weekly, offbeat comic strip by Nicholas Gurewitch that appears in the Baltimore City Paper. - http://www.citypaper.com/archives/browse.asp?columntitle=The%20Perry%20Bible%20Fellowship
Poppycock Circus - A chronicle of the daily comings and goings of members of a small traveling circus. By Steve Carey. - http://www.poppycockcircus.com/
Planet Earth - Features four friends (three human, one alien) travelling to various roadside attractions where they usually run afoul of ninjas. - http://thesnakefarm.com/
Psience - Dealing with all things humorously paranormal. 2002-2004. - http://www.psience.org/
Pthppt! - Webcomic that uses characters from video games. - http://www.pthppt.com/
Pixel Pals - The end of 8-bit innocence. - http://www.i-mockery.com/pixelpals
Pipingrad - Moody black-and-white drawings about surreal mishaps. By Phillip M. Jackson. - http://www.pipingrad.com/
Henry Payne.com - A 16-year newspaper veteran, Payne's cartoons appear daily in The Detroit News and are syndicated by United Feature Syndicate to an additional 60 publications nationwide. - http://www.henrypayne.com
PoorlyDrawnComics.com - An ironic look at life. Features an archive and the Spare Change cast. - http://www.poorlydrawncomics.com/
The Parking Lot is Full - A weekly comic strip produced between 1993 - 2002. Offers an archive pseudo-intellectual nihilism and sadistic scatological humour. - http://www.plif.com/
Pupu - Finnish Bunny-comic every Wednesday and Sunday. English translations included. - http://www.pupunkolo.com/
The Authentic Perishers - Author and co-artist Maurice Dodd presents the history and characters of "The Perishers" cartoon strip, which has been appearing daily in the Daily Mirror since 1958. - http://www.theauthenticperishers.co.uk/
Pixel Paintings - Parodies of manhood, confession, muslims, the final judgement. - http://www.pixelpaintings.net/comickode/kodeportada.htm
PvP: Player vs. Player - Online strip about videogamers, by Scott Kurtz. - http://www.pvponline.com
Penny Arcade - Videogaming-related online strip by Mike Krahulik and Jerry Holkins. - http://www.penny-arcade.com/
Pran-Man - About 13-year-old Pran-Man, who has a love for pop culture and Pez, and his friends in the town of McMurray, Pennsylvania. By Pranas T. Naujokaitis. - http://www.pran-man.com
Pants of Death - Single-panel sick-humor cartoons by Jon. - http://www.pantsofdeath.com/index.html
Piled Higher and Deeper - About graduate students, by university professor Jorge Cham. Strip archive, merchandise available. - http://www.phdcomics.com/
A Perfect World - Weekly panel cartoon by Linda Causey, with archive. - http://www.aperfectworld.org/
Pearls Before Swine - Humorous strip about a rat and a pig, two good friends. By Stephan Pastis. - http://www.unitedmedia.com/comics/pearls/
Punmaster - Comic panel by David Gross. - http://www.punmaster.com/punmaster
Powell - Daily political and topical cartoons by News and Observer cartoonist Dwane Powell. Archive of all strips since 1996. - http://news-observer.com/powell/
Penmen - Gary Blehm's strip asks the reader to find the matching pair in a lineup of stick figures. Archived strips, animations, and merchandise. [Requires Flash] - http://www.penmen.com
The Pinkey Suthers Show - Pinkey and co-hosts explain various aspects of life in this weekly strip by Dylan Graham. - http://www.pinkey.com
Pooch Cafe - Daily strip by Paul Gilligan, about the lives of Poncho and his fellow canines. - http://www.poochcafe.com
Pope Alien - Comics about alien clergy and robots, by Jerry Davis. With advice column and merchandise. - http://www.popealien.com
Paladín el Cacique y Los Campeadores Boricuas - Full-page color adventures of the popular Puerto Rican superhero first appearing in 1992. New episodes in both English and Spanish are added weekly. - http://www.paladinpr.com
Pokey the Penguin - Non-sequitur comic about Pokey and other penguins, with minimalist computer art. - http://www.yellow5.com/pokey/