Adherence, Adherer, and derivative terms may refer to:
Healthcare Patient adherence, the obedience of the patient to the medical advice Adhesion (medicine), abnormal bands of tissue that grow in the human body
Other uses Adherent point, mathematical notion, also known as closure point, point of closure or contact point Adhesion, the tendency of dissimilar particles or surfaces to cling to one another Religious adherence, when people follow a particular religion