Cartoonists - International
• ASIFA - Hollywood Animation Archive Cartoon Hall of Fame
http://ahaachof.blogspot.co.uk/Contains biographical information on several hundred animators, illustrators, cartoonists and comic artists. Like Wikipedia and AskArt, the data can be submitted by anyone. The entries, therefore, vary in length and quality. The site contains a wealth of information about the history of animation and related fields including articles, archive material, and interviews.
• International Who’s Who of Cartooning
http://www.wittyworld.com/whoswho.html
Compiled by Witty World International Cartoon Center. Includes thousands of profiles.
• Lambiek Comiclopedia
https://www.lambiek.net/comiclopedia.html
Contains biographical information on some 10,000 comic artists [many of whom were cartoonists], with examples of their work. The database is compiled by Kees Kousemaker, founder of Lambiek, who in 1968 founded Lambiek, a comics shop on Kerkstraat in Amsterdam.
• St-Just-Le-Martel
http://web.archive.org/web/20141220160834/http://www.st-just.com/english.html
Contains biographies of more than 1,300 artists who have exhibited at the exhibited at the festival of cartoon and caricature held annually in St-Just-Le-Martel, France. Artists can be searched by name and country. [Text in English and French]. The original page no longer exists, although the link was archived on the Wayback web archive which we've linked to above.
Cartoonists - UK
• British Cartoon Archive
http://www.cartoons.ac.uk/artists
Compiled by the University of Kent in Canterbury, England. Contains profiles of several hundred British cartoon artists most (if not all) of whose work is included in the British Cartoon Archive at the University of Kent.
Cartoonists - USA
• New Yorker Cartoonists A-Z.
http://michaelmaslin.com/index.php?page=nyer-cartoonists-a-z
Compiled by Michael Maslin Profiles of artists who worked for the New Yorker magazine.