Autism Info.com 
Provides information to parents, doctors, teachers, tutors, caregivers, and anyone interested in learning more about autism and autism spectrum disorders.
http://www.autisminfo.comAutism Organisations Worldwide 
Listed alphabetically by country.
http://www.autism-india.org/worldwideorgs.html
Autism Network International 
An autistic-run self-help and advocacy organization for autistic people.
http://ani.autistics.org/
University Students With Autism And Asperger's Syndrome 
Support and resources for students with autistic spectrum conditions in higher education. Advice on attending school and getting a job.
http://www.users.dircon.co.uk/~cns/index.html
BBB Autism 
Positive support and information regarding autism, pdd, asperger's and all disorders under the spectrum. Siblings, spouses, ABA and other therapies, IEPs, Beginner's Guide to Autism, message board and online club.
http://www.bbbautism.com
Autism and Vaccinations Support Group 
A group for parents, victims, siblings, or anyone who is touched by this mysterious disorder. We share therapy ideas and discuss the vaccination angle to autism.
http://groups.yahoo.com/group/autism_and_vaccinations
MCASA: Montgomery County Maryland Chapter of the Autism Society of America 
Advocacy, information referral and support.
http://www.autismmontgomerycounty.com/
Pathological Demand Avoidance Syndrome Contact Group 
Support, advice and information to anyone involved with an individual diagnosed with PDA, a pervasive developmental disorder related to autism.
http://www.pdacontact.org.uk
Ahead with Autism 
Dedicated to raising awareness of Autistic Spectrum Disorders, improving the lives of individuals afflicted by Autism and educating professionals worldwide. Free video, "The Different Shades of Autism".
http://aheadwithautism.com/
Unlocking Autism 
A Christian awareness and education organization. Offers links to related sites, news and articles.
http://www.unlockingautism.org
Autism Association for Overseas Families 
Support groups for expatriate families with a child with an autistic spectrum disorder.
http://www.aaof.info
Autism USA 
Community for parents, caregivers and educators of people with autism.
http://www.autismusa.net
For Autistic Kids Foundation 
Organization feature events and sponsor information to raise funds to broaden public awareness and understanding of autism and for the research of early detection.
http://www.forautistickids.com
Autism-Comorbidity 
Online group and mailing list for people who have, or are related to someone who has, an autistic spectrum disorder and one or more other disabilities or health conditions.
http://groups.yahoo.com/group/autism-comorbidity
Autism Friends 
Support resource site for families. Features family stories, message boards, and chat rooms as well as links to sites for services and local support.
http://www.communityzero.com/autismfriends
Autistic Society 
Support community for parents and families, news, photo-art gallery, information and interactive features.
http://www.autisticsociety.org
Hide and Seek Special Needs Support Group 
Parent led support group for Autistic Spectrum Disorders.
http://www.geocities.com/penky03/hide_and_seek.html
Defeat Autism with Great Success 
Support group for parents with children affected by autistic spectrum disorders, including autism, high functioning autism, Asperger Syndrome, and Hyperlexia.
http://geocities.com/dawgs085/
TogetherForAutism.org 
Community site and message board bringing together people together who are affected by autism.
http://www.togetherforautism.org
Autism Community Connection 
Support group in Naperville Illinois - resources, forum, online newsletter, and links.
http://www.autismcommunityconnection.com
Wrong Planet 
Online community and resource for those with Asperger's Syndrome.
http://www.wrongplanet.net
Autism Link 
Online information on events, news, seminars, conferences, where to find help, support groups, and early intervention.
http://www.autismlink.com
The Spectrum Club 
Club for adolescents witrh Asperger Syndrome.
http://www.thesummit.co.uk/spectrumclub/
Aspies for Freedom 
Support group building an autistic culture and bringing aspies/autistics together to help oppose abusive therapies.
http://www.aspiesforfreedom.com/
Open Doors 
A information/support group for parents and teachers of Asperger's and high functioning autistic children in Southern California's Inland Empire.
http://www.opendoorsnow.org/
Extreme Enthusiasts 
Promoting the bug hobby and increasing autism awarness. Using creepy creatures in order to introduce and educate the public about this lifelong disorder. Educational and family oriented.
http://www.xnism.com/
The Autism Home Page Community 
Information on autism, related disorders, and behavior management.
http://groups.msn.com/TheAutismHomePage
Defeat Autism Now! (DAN!) 
Educates parents and physicians about biomedically-based treatement options through semi-annual conferences.
http://www.danconference.com/
Interactive Autism Network 
Designed to link researchers and families together through an online support community.
http://www.ianproject.org/