This study aims to determine the effect of psychological capital and the perception of transformational leadership style to the workplace well being of employees. This study uses quantitative approach with multiple regression analysis involving a sample of 220 civil servants of the Ministry X. The sampling technique used in this study is a non-probability sampling. To measure workplace wellbeing, researchers compiled independently of workplace wellbeing scale based on the theory of workplace well being developed by Page (2005). Then, the instrument used to measure the psychological capital is Psychological Capital Quessionare 24 (PCQ-24) developed by Luthans, Youssef & Avolio (2007). Furthermore, measuring instruments used to measure the perception of transformational leadership is a modification of the measuring instrument multifactor Leadership questionnare factor (MLQ). Based on the results of hypothesis testing, first conclusions obtained from this study is a significant difference of perception psychological capital dan transformational leadership style on workplace well being on the employees of the Ministry X. Then based on the results of tests of significance of each regression coefficient on the dependent variable, there are four variables were obtained significant regression coefficient values, namely; (1) hope dimension of psychological capital; (2) the dimension idealized influence of transformational leadership style; (3) the dimensions of intellectual stimulation transformational leadership style; and (4) individualized consideration dimensions of transformational leadership style.