This study aimed to know the impact of the democratic style in administrative leadership on organizational behavior through its following dimensions (at the individual level - at the group level - at the institution level) in government institutions, considering that administrative leadership is an important process and a basic necessity in all institutions, whether they are in the sector public or private sector because of their role in achieving excellence and success. A field study was conducted on a stratified random sample of 150 employees in a number of government institutions, and the descriptive analytical approach was used to study the effect of the democratic style of administrative leadership as an independent variable and organizational behavior as a dependent variable. Democratic leadership in administrative leadership on organizational behavior in its three dimensions, and this study was characterized by identifying the democratic pattern as one of the types of administrative leadership in government institutions in the Sultanate of Oman, and to present a new addition to the field of scientific research, especially areas concerned with improving organizational behavior among workers in government institutions, and finally this study came to open the door about the impact of the democratic style in administrative leadership in achieving organizational behavior, and expanding the fields of study, whether by studying other styles of administrative leadership, or studying the style Democracy and its impact on organizational behavior in private institutions. Keywords: administrative leadership; democratic style; organizational behavior.