This article explores Cuba’s health assistance and support for other countries. It explores the rationale and motivations for Cuba’s internationalism in health. It then details the various aspects of its health interventions, including emergency relief, strengthening of health systems, treatment programs, training of health professionals, engagement in multilateral cooperation, and biotechnology. The article analyzes the benefits of Cuba’s health internationalism for Cuba and for others. It also explores potential adverse consequences and criticisms of Cuba’s approach. The article concludes by noting that Cuba has been ahead of the game in integrating foreign policy and health policy and that its experience may hold lessons for other countr...