Association for Temporary Art
Forum for presenting and discussing contemporary art.
http://www.temporaryart.org/

The Daruma Forum
Forum about the Daruma lore in Arts and Crafts. A wide variety of subjects covered, from pottery to haiku to toys.
http://groups.yahoo.com/group/Darumasan-Japan/

ArtByUs.com Forum
Discussion board for self-representing artists, artisans, art collectors and fine art galleries.
http://forum.artbyus.com

Art Muscle
A Los Angeles (US) based contemporary art forum that promotes art dialogue.
http://artmuscle.net

Watercolour Home
A friendly, supportive forum for amateur and beginner Watercolourists, and all other artists and art lovers.
http://s14.invisionfree.com/Watercolour_Home/index.php?act=idx

CJR Fine Arts Forum
Art discussion group. Includes basic questions, children's art, styles and framing.
http://www.art-newsletter.com/forums/

Concept Art Forums
A forum that promotes, develops and showcases conceptual art for entertainment design.
http://www.conceptart.org/forums/

Steel Dolphin Creative Art and Design Forums
A community and forum for artists of all kinds. Discuss your finished work or works-in-progress with other artists and designers from around the world.
http://www.steeldolphin-forums.com

ArtistsOfTheRoundTable · Unity Through Creativity
A collection of artists using various mediums joined together by their common interest in art. Discussions and critiques of each other's works.
http://groups.yahoo.com/group/ArtistsOfTheRoundTable/

AmARTure Critic
Not a prestigious publication, nor is it affiliated with anything well known or creditable--we simply are people who like art talking about art.
http://amarturecritic.wordpress.com

The Surreal, Fantastic Realism & Visionary Art Forum
A free artists resource for networking, exhibition invites, discussion, feedback, resource sharing, publication opportunities, calls for submissions, statements, competitions, gallery proposals, automatic writing, collaboration and inspiration.
http://surrealartforum.com

GFX Artist
Online community of graphic designers, web designers, animators, illustrators, 3d modelers and other digital artists.
http://www.gfxartist.com/

E Art District Forums
Painting, sculpture, printmaking, photography forums. Discuss art and techniques. Post your art and learn from others.
http://eartdistrict.com/user_bb.php

Pixelex Designer Forum
Digital artists, traditional artists, photographers, writers, and poets forum. Art in its many forms. See works by other artists and get great tips and hints.
http://www.pixelex.com/

Worldwide Arts Resources
Forum for discussion of art topics, such as painting, photography, sculpture, print making, and drawing.
http://christo.wwar.com/artforums/