The global demand for fish and seafood products continues to grow due to their nutritional value and health benefits. Fish is a rich source of high-quality proteins, omega-3 fatty acids, essential vitamins, and minerals that play a pivotal role in human health and nutrition. Value addition in fish products extends their shelf life, enhances their palatability, and introduces functional attributes to meet diverse consumer preferences and dietary needs. This chapter explores innovative approaches to value addition in fish, including processing technologies, the development of ready-to-eat and ready-to-cook products, fortified fish-based foods, and nutraceuticals. It also discusses the otential of by-product utilization to promote sustainability and reduce waste in the fisheries sector. Furthermore, the chapter emphasizes the role of value-added fish products in addressing malnutrition and non-communicable diseases. The integration of traditional knowledge with modern processing techniques is highlighted as a pathway to create culturally relevant, health-focused fish products. This chapter aims to provide insights into the strategies and challenges of enhancing the nutritional and commercial value of fish, contributing to the promotion of public health and the sustainable growth of the fisheries industry.