This qualitative study assessed the psychosocial needs of primary caregivers of childhood cancer patients in Sri Lanka, revealing significant unmet needs such as financial, emotional, informational, social, and practical support. A total of 22 primary caregivers participated in focus group discussions, underscoring the impact of childhood cancer on their daily lives and the importance of addressing these needs to improve care outcomes. The findings highlight the necessity for healthcare professionals to provide comprehensive support to caregivers during the early stages of cancer diagnosis and treatment.