The National Office of Nutrition (ONN) is the national institution of Madagascar responsible for coordinating and implementing nutrition policies and programs aimed at improving public health and addressing malnutrition. Established as part of the government’s efforts to promote food security, nutrition education, and dietary improvements, ONN works closely with local and international organizations, government bodies, and communities. The office focuses on maternal and child nutrition, micronutrient deficiencies, and community-based nutrition interventions to improve the overall health of the population, particularly in vulnerable regions of Madagascar.