Aarskog Syndrome Parents Support Group (Aarskog Syndrome)

AboutFace (Apert Syndrome, Cleft Lip & Palate, Craniofacial Abnormalities, Crouzon Syndrome, Facial Deformities, Miller Syndrome, Nager Syndrome, Treacher Collins Syndrome)

Acoustic Neuroma Association of Canada (Acoustic Neuroma, Neurofibromatosis Type 2)

Agenesis of the Corpus Callosum Network (Corpus Callosum, Agenesis of the Corpus Callosum, Dysgenesis of the Corpus Callosum, Malformations of the Corpus Callosum)

Aicardi Syndrome Awareness and Support Group (Aicardi Syndrome, Agenesis of the Corpus Callosum)

Alagille Syndrome Alliance (Alagille Syndrome)

Al-Anon Family Groups (Alcoholism)

Alberta Neurofibromatosis Association (Neurofibromatosis)

Alkaptonuria Society (Alkaptonuria)

Alpha-1 Canada (Alpha-1 Antitrypsin Deficiency)

Alpha -1 Association (Alpha-1 Antitrypsin Deficiency)

Alström Syndrome International (Alstrom Syndrome)

Alzheimer Society of Canada (Alzheimer's Disease)

American Association of Multiple Enchondroma Diseases (Ollier's / Maffucci Disease)

American Behcets Disease Association (Bechet's Disease)

American Macular Degeneration Foundation (Macular Degeneration, Visual Impairment)

ALS (Amyotrophic Lateral Sclerosis) Society of Canada (Amyotrophic Lateral Sclerosis, Lou Gehrigs Disease)

Androgen Insensitivity Syndrome Support Group (Androgen Insensitivity Syndrome, Testicular Fenimization Syndrome, Androgen Resistance Syndrome, Femimizing Testes Syndrome, Male Pseudo-Hermaphroditism, Goldberg-Maxwell Syndrome, Morris's Syndrome, Lubs Syndrome, Reifenstein Syndrome, Gilbert-Dreyfus Syndrome)

Anencephaly Support Foundation (Anencephaly)

Angioma Alliance (Cavernous Angioma)

Aniridia Network International (Aniridia)

Aplastic Anemia and Myelodyplasia Association of Canada (Aplastic Amenia, Fanconi Anemia, Myelodysplasia)

Apraxia-Kids (Verbal Apraxia)

Arthritis Society (Ankylosing Spondylitis, Arthritis, Fibromyalgia, Spondylitis)

Association for Glycogen Storage Disease (Glycogen Storage Disease)

Association for Macular Diseases, Inc. (Macular Diseases, Macular Degeneration)

Asthma Society of Canada (Asthma)

Ataxia Telangiectasia Children's Project (Ataxia Telangiectasia)

Autism Society Canada (Autism)

Avenues (Arthrogryposis)