Background: Informal caregivers for patients with head and neck cancer perform complex caregiving tasks on a daily basis, but caregivers' needs are rarely acknowledged or addressed in current healthcare practice. Methods: A thorough review of CINAHL®, MEDLINE®/PubMed®, and PsycINFO® was conducted by the authors. 266 manuscripts were identified, with no time limit. The search was conducted in November2019. In total, 19 articles were included in the review.