This study aimed to identify transformational leadership and its impact on organizational development by applying to the Ministry of Social Development in the Kingdom of Bahrain. To achieve the objectives of the study, a questionnaire was designed and developed to collect information, which was distributed to the employees, which numbered (120) male and female employees, who make up the study population, and (100) questionnaires were recovered, including (83.3%) valid for statistical analysis. The social sciences statistical package was used to analyze the data. On the other hand, the results of the study showed that the general arithmetic mean of the independent variable (transformational leadership) was at a high level from the point of view of the study sample, reaching (4.00), which highlights the agreement of the sample members to a large extent that the ministry adopts the method of transformational leadership and also shows The results showed that the arithmetic mean of the dependent general variable (organizational development) was also at a high level from the point of view of the study sample, reaching (4.11), which highlights the agreement of the sample members to a large degree that the ministry always seeks the process of organizational development through the use of leadership transformational ministry and accordingly formulates a set of recommendations.