"Quantum Computing and 6G: Revolutionizing Future Networks" explores the transformative potential of quantum computing in reshaping future communication systems. As we advance towards 6G, quantum computing offers groundbreaking capabilities in data processing, cryptography, and optimization that surpass classical computing methods. Utilizing qubits, quantum computing enables complex computations in parallel, enhancing tasks such as spectrum allocation, traffic management, and network routing, which are critical for 6G's performance and energy efficiency. This book highlights the role of quantum computing in securing communication with quantum-resistant cryptographic techniques and quantum key distribution protocols, crucial for Industry 4.0 and 5.0. It also addresses the security needs of next-gen technologies like AI, AR/VR, and the metaverse, where secure data transmission is vital. However, the integration of quantum computing faces challenges, including the need for stable environments and ultra-low temperatures. As 6G evolves, this book provides insights into how quantum computing can overcome these hurdles, ensuring secure, ultra-fast, and reliable communication across Globe.