This research paper conducts a comprehensive bibliometric analysis to explore the relationship between employee happiness and its impact on employee performance. By systematically reviewing academic literature from 2000 to 2025, the study identifies key trends, influential authors, institutions, and thematic clusters in this domain. Utilizing tools such as VOS viewer and Scopus, the analysis maps co-authorship networks, keyword co-occurrences, and citation patterns. The findings reveal that employee happiness significantly influences productivity, engagement, and organizational outcomes, with emerging themes in workplace well-being, positive psychology, and organizational culture. The study provides insights for researchers and practitioners to advance theoretical frameworks and implement evidence-based strategies for enhancing employee performance through happiness.