Background/Objectives: Although they differ in terms of epidemiological incidence, melanoma and sarcoma are rare, aggressive cancers with a substantial impact on patients’ quality of life and that of their caregivers. Caregivers, who are often family members, experience high levels of stress, anxiety, and caregiving burden, leading to significant psychological, social, and economic repercussions. The aim of this scoping review was to identify the assessment tools used to study the quality of life and psychological well-being of caregivers of patients with melanoma and/or sarcoma, and to highlight the main areas of difficulty. Methods: A systematic search of PubMed, Embase, and PsycINFO databases identified 325 studies, of which 16 met the inclusion criteria. Eligible studies were English language publications focusing on caregivers of adult patients (>18 years) with melanoma or sarcoma. Reviews, case reports, animal studies, or clinical trials, abstracts, books or book chapters, and studies without clear information on assessment tools or involving the pediatric population were excluded. Results: The studies included (2007–2024) involve
Lleshi et al. (Mon,) studied this question.