<p>Metal oxide-polymer (MO-polymer) hybrid materials have attracted significant attention due to their combined physicochemical and electrochemical properties, making them promising candidates for advanced energy applications. In this review, a comprehensive and critical overview of recent progress in MO-polymer hybrid systems is presented, with particular emphasis on their design strategies, interfacial interactions, and performance in supercapacitors, lithium-ion batteries, solar cells, and electrocatalysis. The discussion highlights how the synergistic integration of metal oxides with conductive polymers contributes to improved charge transport, enhanced redox activity, and better utilization of active sites. Recent developments, including hierarchical nanostructures, ternary composites, and MXene-based hybrid materials, are also discussed to illustrate the role of morphology control and interfacial engineering in achieving enhanced electrochemical performance. Despite these advances, key challenges such as limited long-term stability, complex synthesis routes, and insufficient understanding of charge transfer mechanisms are identified across different applications. Based on the reviewed literature, future research directions are outlined, focusing on interface optimization, scalable synthesis approaches, and deeper insight into structure property relationships. Overall, MO-polymer hybrid materials are considered as promising platforms for the development of efficient and sustainable energy storage and conversion technologies.e</p>