This research focuses, on the" impact of leadership styles on job satisfaction" at Salahaddin University-Hawler. The problem of this research defined in the following questions: What is the common leadership style follow by Salahaddin University leaders? And What is the impact of this style on SUH employee's job satisfaction? The main conclusions of this research were: that there were significant differences in leadership style due to managers' demographic characteristics, and that the authoritarian leadership style was preferred among Salahaddin University-Hawler leaders.