This study examines the relationship between leadership and employee performance in Karawang Class IIA Correctional Institution. The research method involved descriptive analysis to understand leadership and employee performance in the institution, and verifiative analysis to quantify the impact of leadership on employee performance. Primary and secondary data were collected through observation, interviews, questionnaires, and literature review. The hypothesis tested whether leadership influences employee performance in the institution. Statistical methods including Simple Linear Regression, Correlation Coefficient, and Coefficient of Determination were utilized through the IBM SPSS application program. The findings revealed a Coefficient of Determination (KD) value of 0.45, indicating a significant influence of leadership on employee performance at Karawang Class IIA Correctional Institution.