World Science Fiction
Society / Worldcon [Official]
This is the official World Con site. If you are a convention goer then this is the must see site.
The United Federation
is the southwest's oldest Star Trek and science fiction fan organization, continuously operating since 1975. The club meets every two weeks at various locations around the Phoenix metropolitan area.
ASFA :: Association
of Science Fiction & Fantasy Artists
Professionally done site with lots of galleries and frequently updated. This is not your usual site with a couple of low quality pictures of dragons.
Science Fiction Association Online
... The Washington Science Fiction Association is the oldest science fiction club
in the greater Washington area.
Welcome to the website of the. Science Fiction Association (Singapore). ...
The Science Fiction
Yahoo List of Science Fiction organizations
American Association for Artificial Intelligence - nonprofit scientific society devoted to the promotion and advancement of artificial intelligence. http://www.aaai.org/
San Francisco Robotics
Society of America (SFRSA)