Abstract: Despite their knowledge on the problems of the business process in their organization, for some special reasons – in many cases employees just decide to remain silent. Researchers define this phenomenon as organizational silence. In this article, the authors briefly review the definitions, dimensions and assessment of this special organizational behavior from the current research. Organizational silence is a behavior with multiple causes. So from the leadership and organization, fellow, and individual character, the authors expatiate on the factors that influencing the organizational silence. Further the authors discuss the negative consequences of organizational silence, especially for the organization learning process. Finally the importance and the future research of organizational silence are proposed

Key words: organizational silence, organizational climate, leadership, fear