Culturally sound health research and culturally relevant interventions are foundational to health promotion and disease prevention around the globe, especially for vulnerable populations in low-and middle-income countries who bear a disproportionate burden of sociodemographic and structural adversities, including gender-based violence and nonpartner sexual violence. There is a limited amount of scientific knowledge regarding the promotion of health equity for Haitian populations and about the challenges of cross-cultural practice and research among them.