ABC.com: Whose Line Is It Anyway: Official site features photos, background information, cast biographies, and poll.
Alex's Tribute to "Whose Line is it Anyway?": Information on the TV and radio versions of the show.
DLiiA Episode Capsules: Dedicated to "Whose Line?" with detailed descriptions of the US version's early episodes.
Elyse's "Whose Line is it Anyway?" Site: Tips of attending tapings of the show, cast appearances, and quotes.
Gnome and Harriet's Fondue Pit: Fan fiction that's "full of cheesy goodness" based on the series.
Hey! Whose Line Is It Anyway?: Series overview, cast contact information, favorite moments, and images.
Julie's Whose Page Is It Anyway?: All about the UK and US game show, including fan fiction, FAQs with details about its origins, contestant and host profiles, game rules, explanations of British slang/celebrities, fan gatherings, and links.
The Narratesite: Downloads and transcripts for playings of the game Narrate from the show.
The Ultamite Who's Line Fan Site: Profiles of cast and guest stars, as well as a list of games used in the series.
The Wacky World of Improvisational Comedy: Extensive description of improv, including list of games, history, and interviews with Whose Line? performers.
The Whose Line Shrine: Biographies, pictures, sounds, and games.
Twiglet: Whose Line? fan page, with a Greg Proops appreciation list, news page, information about related TV series, and links.
Who Has a Life, Anyway?: Two obsessed fans' take on the game show WLIIA. Offers fan fiction, images, sounds, links, and original drawings of the cast.
Whose Clips Are These Anyway.: Whose Line audio and video clips, message board and chat room.
Whose Line is it Anyway: Pictures, cast information, sound clips, and wallpapers.
Whose Line Is It Anyway?: Varied fan page including obscure references, contact list of WLIIA fans, Clive Anderson biography, the "Twiglet Zone," and a profile of performer Brad Sherwood.
Whose Line is it Anyway? on DVD: Campaigns to get the show released on disc. Offers photos, forum, and show history.
Whose Line Madness: Cast information and images, lists of games, and description of the differences between the US and British versions.
Whoselinefan2's Ultimate Fansite: Includes news, quotes, picture and video gallery, polls, cast biographies, and episode guide.
Whosers Page: Community for fans of the UK and US gameshow WLIIA?, with contact list, TV listings, fan quotes and mottos, player autographs and messages, games, quizzes, and links.
WLiiA.Net: Informative site with news, articles, reviews, tour dates, and interviews.