| • | Obessions of a Young Woman - Plucked from her homeland of Tennessee and dropped into the murky depths of Yankees. |
| • | Obscurity is Forever - Rants and creative satire by two bored and cynical college students. |
| • | Of Save the World - The Misadventures of Der Hero and Slime. |
| • | Off Topic - Personal observations and reviews with a Canadian slant. |
| • | Official Flaming Chickens Website - Quotes, quizzes, himor and art. |
| • | Oh Snap - Account of humorous events, news, and happenings in the internet world. |
| • | Oldirtyhaddad - Personal writing, articles and forums. |
| • | Olly's Little Place on the Internet - Lurid backgrounds combined with humorous links and snippets. |
| • | One Page Detective Stories - Stories written and posted on a whim. |
| • | OptimusMike - Comment on television, society, celebrities and politics. |
| • | Orgamecha Net - Humourous articles with a personal opinion page, reviews, music, and literature. |
| • | Original Pranksters - Pranks and personal comment. |
| • | Over the Counter and Under the Table - A video web comic strip with a small cast of recurring, ridiculous characters in funny situations. |
| • | The Official Anti-Bess Site - Campaigning against web and internet censorship. |
| • | The Official Cap'n Pete Website - Posters and comment from Columbia University. |
| • | The Official Mike Loot Website - Flash animations, a sandwich cam and mullets. |
| • | The Oneder Womyn Diaries - Includes humor on meeting men, dating, as well as pictures, events, and links. |
| • | The Online Net - Part of a network of personal sites, humor and journals. |
| • | The Orange Baron's Domain - Near-clean humor about topics relevant to the lives of average young adults. |
