This study aims to analyze and explain the significant effect of organizational commitment on the performance of the nursing staff, analyze and explain the significant effect of organizational citizenship behavior on the performance of the nursing staff, analyze and explain the significant effect of the influence of organizational commitment and organizational citizenship behavior on the performance of the nursing staff. Type of research used in this research was survey research in form of explanation (explanatory research). The samples used in this study were 58 nursing staff from Regional Public Hospital dr. Soegiri Lamongan. The sampling technique used was stratified random sampling by taking samples of employees from the Nursing Care Division of General Public Hospital dr. Soegiri Lamongan. Data analysis used descriptive analysis and inferential statistical analysis using multiple linear analysis by t-test and F as hypothesis testing. The results showed the variable organizational commitment have an impact on the performance of nursing staff of 0,307, while variable organizational citizenship behavior has an impact on the performance of nursing staff of 0,730.