Knowledge is considered a modern science in the world and especially in the Arab world. Thus, there is a notable lack of research in the field of knowledge management and management applications. This lack has motivated the author to undertake research in the field of knowledge management. This study revolves knowledge management and Critical Success Factors by studying effect the final on the first. The goal of this research is to determine the impact of Critical Success Factors for implementing knowledge management on the Deanships at King Abdul-Aziz University in Jeddah. The research community is comprised of administrators in the Deanships and totaled 1,207 individual. This study used a random sampling method. The most important results is that based on the weighted mean of Critical Success Factors, the priority order of the factors are Human Resource