Stigma takes place as a concept in the literature that affects individuals' lives negatively as well as can disrupt chemistry of organization and inhibit organizational behavior. Stigma is a concept that ostracizing individuals or groups because of their features that are not accepted by society and restricted their life on all areas. Studies on stigma have been increased during twenty years. Although school principals play the lock role and the most affecting actor in positively or negatively to school, studies on principals' stigma tendency are extremely limited. Stigma tendencies of principals' can affect chemistry of organization much more than stigma tendencies of teachers. The purpose of the study is to determine stigma tendencies of principals' by using quantitative research methods. According to research results; principals' stigma tendencies are significantly different according to seniority, level of religious feelings and health status.