The present study has aimed at identifying the relationship between transformational leadership and job satisfaction of registered nurses at Jordanian private hospitals, the population of the study consisted of registered nurses at private hospitals located in Amman (capital of Jordan). There have been 200 surveys mailed out to registered nurses. One hundred and sixty eight usable surveys have been returned with an 83% response rate. Regarding transformational leadership, the survey was adapted from the Multifactor Leadership Questionnaire (MLQ). The Minnesota Satisfaction Questionnaire (MSQ) developed by Weiss (1967) was adapted to measure the two factors of job satisfaction. The present study has shown a statistically significant positive relationship existing between the five dimensions of transformational leadership and the two dimensions of job satisfaction, the strongest relationship between internal job satisfaction and transformational leadership has been visible among the intellectual stimulation dimension.