Innovation has been a driving force behind the development and adoption of digital technologies in supply chains. The continuous evolution of these technologies has enabled supply chains to become smarter, more efficient, and more responsive to dynamic market conditions. This chapter aims to explore how digitalization, coupled with external sources of open innovation, can drive smart supply chain management. The objectives of this chapter are to understand how leveraging open innovation can facilitate the adoption of these technologies. The chapter also seeks to identify the enablers and barriers to the successful integration of digital technologies in supply chain management. The chapter employs an integrative review of diverse existing literature to analyze the intersection of digital technologies and open innovation in supply chain management. The major findings reveal that digital technologies such as IoT, AI, and Blockchain significantly improve supply chain visibility, efficiency, and adaptability. Furthermore, open innovation plays a crucial role in fostering collaboration and knowledge exchange, leading to more innovative and resilient supply chains. This chapter contributes to the body of knowledge by highlighting the synergistic potential of open innovation and smart supply chain management. It provides insights into how organizations can leverage external knowledge and digital advancements to enhance their supply chain operations and achieve a competitive edge. By addressing these areas, the chapter offers strategic guidance for researchers and practitioners aiming to harness the full potential of digitalization and open innovation in smart supply chain management.