Millets, a group of small-seeded grasses, have been cultivated for thousands of years and are an integral part of traditional diets in many regions of the world. The nutritional value, resilience to harsh environmental conditions, and potential for sustainable agriculture, millets have been largely overlooked and underutilized in modern food systems, the nutritional benefits of millets, their role in ensuring food security, and strategies for promoting their cultivation and consumption. Millets are rich in essential nutrients, including protein, fiber, vitamins, and minerals, and offer numerous health benefits, such as reducing the risk of chronic diseases like diabetes and heart disease. Additionally, millets are well-suited to climate-resilient agriculture, requiring less water and fertilizer than many other cereal crops. By promoting the cultivation and consumption of millet, policymakers, researchers, and agricultural stakeholders can enhance food security, support small-scale farmers, and promote sustainable food systems and the need for increased investment in millet research, the development of value chains, and consumer education to realize the full potential of millets in addressing global food security challenges.