The rapid expansion of IoT has driven the need for energy-efficient networking solutions to support the growing number of connected devices. As IoT applications continue to evolve across industries such as smart cities, healthcare, industrial automation, and agriculture, optimizing energy consumption has become a critical focus. Future trends in energy-efficient IoT networking emphasize advancements in edge computing, AI-driven optimization, energy-harvesting technologies, and low-power communication protocols. These innovations aim to extend device lifespan, reduce power consumption, and enhance network performance without compromising reliability. Additionally, intelligent data processing techniques, adaptive transmission mechanisms, and resource-efficient network architectures are being developed to create sustainable IoT ecosystems. This chapter explores the key strategies and emerging technologies that will shape the future of energy-efficient IoT networking, ensuring scalability, cost-effectiveness, and environmental sustainability.