Abstract: Peer support programs in mental health nursing have gained recognition as effective approaches for promoting recovery among individuals with mental health challenges. This review explores the role of peer support in mental health nursing, highlighting its principles, benefits, challenges, and outcomes. Drawing upon existing literature and empirical evidence, the article provides insights into the mechanisms through which peer support facilitates recovery and enhances the quality of mental health care delivery. Key considerations for implementing and sustaining peer support programs are discussed, along with implications for mental health nursing practice, education, and policy. Overall, peer support emerges as a valuable resource in fostering empowerment, hope, and resilience among individuals living with mental illness.