Autoimmune polyglandular syndrome also known as autoimmune polyendocrine syndrome (APS) type II is characterized by the presence of Addison's disease, in association with autoimmune thyroid disease and/or type I diabetes mellitus. Here a 14 year old girl is reported with Addison's disease, autoimmune hypothyroidism and primary hypogonadism. Autoimmune polyendocrine syndrome (APS) type II occurs most often in middle aged female and is quite rare in children but one should think to autoimmune polyglandular syndrome type II in patient at any age especially in patients with Addison's disease.