This study aims to to analyze the factors that influences the performance officer at KPPN Waingapu. All of these issues is the motivation, competence, leadership, and workplace. Subject to research is employees at offices of KPPN Waingapu. Research is done using a questionnaire as an instrument the collection of primary data. Population in this study were 39 who all be used as the respondents. For measuring factors affecting the employee performance service office of KPPN Waingapu used multiple regression analysis. The research results show that motivation, competence, leadership, and workplace have an give a positive response to the employee performance in KPPN Waingapu. The results of the study also shows that almost 92,2 % KPPN Waingapu the employee performance can be explained by variable motivation, competence, leadership, and workplace, the remaining 7.8 % influenced by variables else that is researched