This study aims to test; (1) the influence of accounting knowledge and entrepreneurial personality simultaneously on the managerial performance of Bank Aceh's customers, (2) the influence of accounting knowledge on the managerial performance of Bank Aceh's customers, and (3) the influence of entrepreneurial personality on the managerial performance of Bank Aceh's customers. The unit of analysis in this study was Bank Aceh at Operational Head Office. Furthermore, the unit of observation (respondents) in this study is Bank Aceh customers who have a position as manager on owned business. Sources of research data using primary data sources derived from the acquisition of research questionnaires. While the data collection technique in this research is done by the technique of spreading the questionnaire. The method of analysis used in this research is Multiple Linear Regression Analysis. The result of the research shows that (1) knowledge of accounting and entrepreneurial personality together influence to managerial performance of Bank of Aceh customer, (2) accounting knowledge has positive influence but not significant to managerial performance of Bank of Aceh customer, and (3) entrepreneurial personality has positive influence and significant to managerial performance of Bank Aceh.