Is celiac disease considered an autoimmune disease?

Yes: Celiac disease (celiac sprue, gluten allergy) is a strong allergic reaction to gluten, a protein seen in grains such as wheat, rye, barley, etc... Technically speaking, the reaction is not a typical food allergy reaction, but is an abnormal immune system reaction that causes inflammation and damage to the lining of one's own small intestine.

Yes: It is an IgA mediated autoimmune disease. It is not a food allergy disease.