Internet Bonsai Club
An online community devoted to the art of bonsai where photos can be posted and questions answered.

American Bonsai Society
A non-profit corporation devoted to increasing knowledge of and interest in bonsai throughout North America. They also publish a journal.

BonsaiTalk
A free Internet community devoted to the advancement of the arts of bonsai and suiseki.

Bonsai4Me
An excellent source of articles on a wide variety of bonsai topics.

Knowledge of Bonsai A great resource of articles, galleries, and forums related to bonsai.

Bonsai Clubs International Lots of bonsai information as well as contests global competition photos. Brings you bonsai from around the world.