Abstract Introduction Previous research has explored euthanasia’s ethical dimensions, primarily focusing on general practice and, to a lesser extent, psychiatry, mainly from the viewpoints of physicians and nurses. However, a gap exists in understanding the comprehensive value-based perspectives of other professionals involved in both somatic and psychiatric euthanasia. This paper aims to analyze the interplay among legal, medical, and ethical factors to clarify how foundational values shape the ethical discourse surrounding euthanasia in both somatic and psychiatric contexts. It seeks to explore these dynamics among all healthcare professionals and volunteers in Belgium. Methods Semi-structured interviews were conducted with 30 Dutch-speaking healthcare workers who had encountered patients requesting euthanasia for psychiatric conditions, in Belgium, from August 2019 to August 2020. Qualitative thematic analysis was applied to the interview transcripts. Findings Participants identified three pivotal values ...