Introduction: The main purpose of this study was to evaluate the dimensions of personal knowledge management (PKM) of administrators in Mashhad University of Medical Sciences. A survey research method was applied to conduct the study. Methods: A simple random sample of 91 academic, research, student affair, financial administrators, and department chair subjects in Mashhad University of Medical Sciences participated in the study by responding to PKM questionnaire. The validity and reliability of the questionnaire was tested and verified. The collected data were analyzed via descriptive statistics, repeated measure analysis and multivariate analysis of variance procedures. Results: Results showed that Most of the administrators had a medium level of PKM skills. Furthermore, results indicated that highest mean was self-learning management (19) and lowest mean were knowledge networks (14.37) and research skills (14.30). Comparing PKM skills of administrators to sex (f = 2.50; P = 0.01) and type of organization (between faculty and central organization of university) (f = 2.50; P = 0.01) demonstrated a significant difference; however, the rest did not so. Conclusion: PKM skills are one of the most essential skills of administrators, especially educational administrators, because of their task such as teaching and improvement of every educational and research activity. Keywords: Knowledge Management; Administrators; Universities