The quest to understand healing is as ancient as humanity itself. Across diverse cultures and epochs, individuals have sought relief from suffering, turning to a myriad of approaches that span the empirical, the spiritual, and the intuitively felt. Yet, the phenomenon of healing, particularly when it appears to defy conventional medical explanation, remains a profound and persistent mystery. 'Quantum Oncotheology' is born from the conviction that this mystery is not an insurmountable barrier but an invitation to explore new frontiers where science, theology, and medicine can converge. We propose that by integrating the rigorous empirical findings of studies on prayer healing with the profound insights from quantum biology and the enduring wisdom of theological healing traditions, we can begin to formulate a more holistic and illuminating framework for understanding the multifaceted nature of human well-being. Our journey begins with an acknowledgment of the limitations inherent in purely reductionist scientific models when confronted with phenomena that exhibit rapid, spontaneous, or "medically inexplicable" outcomes. While celebrating the immense successes of biomedical science, we recognize that certain observed healings challenge the prevailing paradigms, prompting us to seek complementary theoretical structures. This search leads us to the nascent field of quantum biology, which suggests that the peculiar rules of quantum mechanics may play a more significant role in biological processes than previously imagined. Concepts such as entanglement, coherence, and tunneling, once confined to the subatomic realm, are increasingly being explored for their potential implications in cellular function and systemic regulation. Concurrently, we delve into the rich tapestry of theological and spiritual traditions that have, for centuries, placed healing at their core. These traditions offer not only narratives of divine intervention and miraculous recovery but also profound philosophical understandings of interconnectedness, consciousness, and the transformative power of faith and intention. By examining these diverse perspectives, we aim to identify universal themes and principles that resonate across cultural and doctrinal boundaries, preparing the ground for a meaningful dialogue with scientific inquiry. This book introduces and develops the novel framework of 'Quantum Oncotheology'-a synthesis designed to provide a robust, yet open, lens through which to view prayer healing and other consciousness-influenced health phenomena. It is a testament to the belief that empirical evidence and spiritual experience are not mutually exclusive but can, in fact, illuminate each other. Our objective is to move beyond simplistic dichotomies and foster an environment of intellectual curiosity, encouraging readers from diverse backgrounds-scientists, theologians, medical practitioners, philosophers, and those simply seeking deeper understanding-to engage with these complex questions. We aim to demonstrate that by embracing an interdisciplinary approach, we can expand our comprehension of healing, acknowledging both the quantifiable realities of biology and the profound, perhaps quantum-infused, dimensions of consciousness and spirit that contribute to human wholeness.