One of the main activities in the field of knowledge management is knowledge sharing process because through which employees can have done actions to improve competitive advantage. Effective knowledge sharing among employees can have a significant impact on improving the quality of research and development activities. For this reason, creating desire and intention of knowledge sharing among employees is of particular importance because lead to share knowledge with them. The purpose of this study was to study the impact of organizational culture on implicit knowledge sharing in the Melli Bank of West Azerbaijan province. The method of research was descriptive-correlation. The population of the study was the staff of Melli Bank of West Azerbaijan province that their number was 990. The samples were obtained276 people using Cochran's formula that were selected as randomly sampling. To gather data organizational Culture Inventory of Robbins and knowledge sharing an inventory of Dickson (1998) were used. For data analysis, Pearson and regression test were used. The results showed that there is a significant relationship between organizational culture and its dimensions with implicit knowledge sharing among employees of the Melli Bank of West Azerbaijan province ( P=0.05)

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