This research aims to recognize the impact of servant leadership on organizational citizenship behavior in Jordanian Islamic Banks where job satisfaction is a mediating variable. The research sample is selected from three Jordanian Islamic Banks operating in Jordan. The sample selected 168 people for the current research based on a random sample technique. The results indicate that there is a positive correlation between servant leadership and organizational citizenship behavior. There is also a significant impact of the servant leadership on the organizational citizenship behavior and a significant impact of servant leadership on the organizational citizenship behavior through job satisfaction at the Jordanian Islamic Banks.