Understanding the local and international stakeholders in rheumatic heart disease field in Tanzania and Uganda: A systematic stakeholder mapping

•We present an approach to identify RHD stakeholders systematically.•All identified RHD stakeholders were categorised into one or more of the five identified categories.•“Research, training, and capacity building” and “Healthcare service delivery” category had the most RHD stakeholders.•Local RHD Stakeholders were found in six locations in Uganda and seven local locations in Tanzania.•RHD stakeholders from other countries in Uganda were located in 15 countries and 18 countries for Tanzania.