This study examines the quantitative relationship between trust in knowledge, motivation to share and knowledge sharing. Knowledge sharing is a process in which individuals share knowledge and they create new knowledge together. Knowledge is an unlimited, inexhaustible and valuable source for organizations that want to survive in a competitive environment. Knowledge can be used to gain competitive advantage. We can say that the power to the survival of organizations today is based on their use of knowledge. The knowledge may be available for individuals and organizations, therefore, have to get out of the organization of the conditions for people to be able to share their knowledge with others. In such a situation, organizations can improve employee performance and the performance of organizations.