Yes it is contagious. Pink eye is an infection of the part of the eye called the conjunctiva,conjunctivitis can hit one or both eyes, and bring with it the telltale symptoms ranging from redness and itching to downright pain, as with most maladies,bacteria,viruses or allergies are the cause. The trouble is how contagious pink is. If it hits one person in the family,it's likely to make its rounds to all family members.