Objective The Carer Support Needs Assessment Tool (CSNAT) was developed in the UK and has been shown to be effective to assess and address support needs of family carers of terminally ill patients at home. In German language, there is a lack of an evidence-based comprehensive assessment tool for family carers in palliative home care. The objectives of this study were to translate and develop a culturally adapted version of the CSNAT for a German-speaking context including the assessment of feasibility, face, and content validity.