Nanopolymers, characterized by their nanoscale structural features, represent a groundbreaking advancement in material science, offering properties far superior to conventional polymers. Their high surface area, enhanced mechanical strength, and functional versatility make them ideal for addressing complex challenges across various industries, including food and beverages. This chapter explores the innovative use of nanostructured polymers in enhancing the safety, quality, and sustainability of food and beverage systems. It delves into their active and intelligent packaging roles, improving barrier properties, antimicrobial efficacy, and environmental sustainability. Additionally, the chapter highlights nanostructured polymer coatings for storage stability. Furthermore, the chapter highlights the challenges and regulatory considerations that drives the adoption of nanopolymers.