Purpose: With an increased investment in psychosocial caregiving research, it becomes critical to establish the need for data of key stakeholders and future strategic directions. The purpose of this international Delphi study was to engage caregivers, clinicians, researchers, and managers to identify priority topics for caregiver research in cancer care.; Methods: A three-round, online Delphi survey took place. In round 1, stakeholders generated caregiver research topics by answering an open-ended question.