Associations and organizations with an interest in science fiction, fantasy, and horror writers.

• Alternative Reality Writers' Zone - an online community for writers and readers of speculative fiction: fantasy, science fiction, historical fiction, horror, supernatural, and cross genre.
• ASFA - The Association of Science Fiction and Fantasy Artists, whose membership is made up of amateur and professional artists, art directors, art show managers, publishers, collectors - just about anyone with an interest in the art of the genre.
• AtFantasy Alliance - is a fantasy RPG community with a writer's workshop and more.
• The British Fantasy Society - exists to promote the genres of fantasy, science fiction, and horror in all its forms.
• British Science Fiction Association - in 1958 a group of leading authors, publishers, booksellers and fans decided that Britain needed an organization to encourage science fiction in every form. So here it is.
• Broad Universe - is a new organization with the primary goal of promoting science fiction, fantasy, and horror written by women.
• The Canberra Speculative Fiction Guild - is a group dedicated to the advancement of Speculative Fiction, both in the local region and Australia wide.
• The Carl Brandon Society - is dedicated to addressing the representation of people of color in the fantastical genres such as science fiction, fantasy and horror.
• CLF - is a literary organization dedicated to the promotion of fantastic literature and genres.
• Epilogue - is a community of the best fantasy and sci-fi artists, writers and musicians on the Internet.
• EWAG: Essex Writers' & Artists' Guild - is a confederacy of creative people who write, make music and produce art. The creative works EWAG's membership produces are varied, unique and interesting. The work produced encompasses genre fiction such as mystery, science fiction and romance to poetry, screenplays, literary works, essays and children's literature.
• Fantasy-Writers.org - is a free website for writers of fantasy stories to meet and interact with other writers in the same genre. The site features story submission for peer review, forums, link directory, and private messages. Even if you are not a writer and like to discuss the fantasy genre this is a good site for you.
• The Gaylaxian Science Fiction Society (GSFS) is an informal group of primarily New England based GLBT fans of science fiction, fantasy, and horror in all forms.
• GSHW: The Garden State Horror Writers Association - is a multi-genre writers group catering to the needs of writers from all walks of life.
• The Horror Authors Network - features an Online Critique Group, Book Reviews, Authors Pages, Web hosting, Story Indexes, Writing Contests, and open Message Boards.
• HWA: Horror Writers Association - is a world-wide organization of writers and publishing professionals dedicated to promoting the interest of writers of Horror and Dark Fantasy.
• Regional Chapters of the HWA:
• Florida
• Hudson Valley
• Lower Midwest
• Michigan
• New England
• New Jersey
• New York City
• United Kingdom
• Australia
• Imaginaries - is a global community of writers who work together to improve each others writing by sharing works, ideas, and news.
• Imaginative Fiction Writers Association - is the Genre Writers group in Canada that devotes itself to helping members become published in the genres of science fiction, fantasy, horror, mystery, and romance.
• IFWA: Internet Fantasy Writers Association - is a worldwide association of writers, editors and publishers interested in the fantasy genre.
• The Israeli Society for Science Fiction and Fantasy - is an organization dedicated to help promote science fiction and fantasy in Israel.
• The Kansas City Science Fiction and Fantasy Society - is one of the oldest science fiction clubs in mid-America. It was created in 1971 to foster interest in the literary forms known as science fiction and fantasy.
• The Libertarian Futurist Society was founded in 1982 to recognize and promote libertarian science fiction. LFS presents the annual Prometheus Award for best libertarian novel, the Hall of Fame Award for best classic literary works of liberty and occasional Special Awards for other categories (short fiction, dramatic presentations, life achievement and similar awards) and publishes the quarterly journal, Prometheus.
• The New England Science Fiction Association - is a non-profit organization dedicated to science fiction in all its forms.
• Mid-Atlantic Horror Professionals - is a non-profit coalition of affiliated horror industry professionals residing in Delaware, Maryland, New Jersey, Pennsylvania, Virginia and Washington DC.
• Minnesota Science Fiction Society - is a non-profit organization dedicated to furthering the appreciation of science fiction and fantasy literature.
• Mystery Writers of America, Inc - is the premier organization for mystery writers and other professionals in the mystery field.
• The Mythopoeic Society - is an organization for the study, discussion, and enjoyment of fantasy and mythic literature, especially the works of J.R.R Tolkein, C.S Lewis and others.
• New Zealand Science Fiction Fantasy Writers' Association - is exactly what it says.
• The Philadelphia Science Fiction Society - is a non-profit organization that meets monthly to discuss and promote science fiction and fantasy in literature, the arts, and popular culture.
• RWA's Futuristic, Fantasy, and Paranormal Chapter - to promote excellence in romantic, futuristic, fantasy, time travel and paranormal fiction.
• SF Canada - is a bilingual association of Canadian writers, artists and other professionals working in the fields of Science Fiction, Fantasy, Horror and Speculative fiction.
• The Science Fiction Foundation (website down) - is a semi-autonomous association of writers, academics, critics and others with an active interest in science fiction, with Arthur C. Clarke and Ursula K. Le Guin as patrons.
• SFF Net - is the place for authors, editors, readers, and publishers to get together to discuss books, stories, the arts and crafts of popular fiction.
• The Science Fiction Poetry Association - is the world's only 'speculative poetry' organization.
• SFRT on the Web - is an online community for readers and writers of science fiction, fantasy and horror.
• Science Fiction Research Association - is the oldest professional organization for the study of science fiction and fantasy literature and film.
• SFWA: Science Fiction Writers of America - is a non-profit writers' organization with over twelve hundred science fiction and fantasy writers, artists, editors and other professionals in the business.
• The Speculative Literature Foundation - was launched to promote literary quality in speculative fiction. More than thirty volunteers, directed by Mary Anne Mohanraj, work on an ongoing basis to: Create a comprehensive website which serves as a hub for information of use to speculative fiction readers, writers, editors and publishers.
• Stromatolights - we are group of writers, both published and unpublished, dedicated to Science Fiction and Fantasy. We aim to improve our writing through discussion, workshop and exercises. We share information on upcoming classes, contests and markets. Most of all, we have a good time.
• Tolkien Society - is an organization that aims to encourage and further the interest in the life and works of the late J.R.R Tolkein.
• Vision Writers Group - is a Brisbane-based collective for writers of science fiction, fantasy and horror. We swap stories, critique, advice and ideas.
• Wolfrunners - is an online community for women writers and artists working in the genres of science fiction and fantasy.
• World SF: The Organization - is an international association of people with a professional interest in the field of science fiction: authors, editors, publishers, translators, academics, bibliographers, musicians, film-makers, artists, librarians, critics--anywhere in the world.