The present study aimed at determining the relationship between servant leadership as well as its dimensions and organizational citizenship behaviour (OCB) of employees at Valiasr Academic Complex (Islamic Azad University, Central Tehran Branch). The research was applied, descriptive and correlational. Statistical population included 230 employees in first semester of educational year (2012- 2013), of which 144 employees were selected as the study sample size through proportional stratified random sampling method. Reliability of the standard servant leadership Sendjaya et al., questionnaire was 0.83 and 0.88 for Podsakoff, MacKenzie, Moorman and Fetter's standard organizational citizenship behavior questionnaire. Results revealed that while there was a significant relationship between servant leadership dimensions of voluntary subordination, authentic self, conventional relationships, responsible morality and transforming influence, and organizational citizenship behavior; there was no significant correlation between dimension of transcendental spirituality and organizational citizenship behavior.