Background: Researches indicated that spirituality in workplace and ethical leadership have important role in creating and developing of psychological capital. For this reason, main purpose of this research was to study simple and multiple relationships between spirituality in workplace and ethical leadership with psychological capital.

Methods: Research method of this study is a descriptive-correlation. Population includes all of the employees of a public organization in Esfahan, Iran, (N=320). Among all subjects, 180 of them were selected via convenience sampling. In this research a set of questionnaire such as spirituality in workplace (with14-item), ethical leadership (with 12-item), and psychological capital (with 24-item) were used. Data were analyzed by using Pearson correlation coefficient and stepwise regression analysis.

Results: Result show that there are significant positive relationship between spirituality in workplace and ethical leadership with psychological capital. Moreover, results of stepwise regression analysis show that, alignment with organizational values and ethical leadership are strongest predictors of psychological capital. 

Conclusion: It can be concluded that dimensions of psychological capital increase with highlighting spirituality in workplace and ethical leadership