This study was designed to determine whether social capital remove the negative effect of organizational silence -which expresses the passive state of employees- on knowledge sharing. Organizational Silence was measured by the four-item, one-dimensional scale developed by Çakıcı (2010). The 6-item confidence scale established by Jarvenpaa, Knoll and Leidner (1998) was used to measure Social Capital. Knowledge Sharing is measured by the 3-item Knowledge Sharing Intention scale compiled from the work of Bock et al. (2005). Data collected through questionnaires from 172 participants were analyzed. As a result of the study it is determined that there is a positive relationship between knowledge sharing and social capital, and a negative relationship between organizational silence. The moderator role of social capital between organizational silence and knowledge sharing was also examined. It has been found out that in the event of social capital is low, if social capital is normal the negative effect of silence on knowledge sharing decreases but when social capital is high the negative effect of silence on knowledge sharing disappears.
