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Food security remains a critical issue in Pakistan, where a growing population, climate variability, and socio-economic disparities exacerbate vulnerabilities in food availability, access, and utilization. This systematic literature review examines the multifaceted challenges, policy responses, and future directions for achieving sustainable food security in the country. We synthesize existing research to provide a comprehensive understanding of the current food security landscape, focusing on key dimensions such as climate change impacts, policy frameworks, production systems, and the water-energy-food nexus. The review identifies significant gaps in policy implementation, particularly in addressing regional disparities and adapting to climate-induced shocks, while also highlighting the role of global food market dynamics in shaping domestic food security. Methodologically, we adopt a rigorous approach to select and analyze relevant studies, ensuring a balanced representation of diverse perspectives and empirical evidence. Our findings reveal that while Pakistan has made progress in formulating food security strategies, structural inefficiencies, resource constraints, and governance challenges hinder their effectiveness. The review underscores the need for integrated policies that prioritize climate resilience, equitable resource distribution, and technological innovation in agriculture. By consolidating insights from existing literature, this study offers actionable recommendations for policymakers and researchers to address persistent food insecurity and align future efforts with sustainable development goals. The conclusions emphasize the urgency of interdisciplinary collaboration and evidence-based decision-making to mitigate food security risks in Pakistan.