Background: Organizational culture is the social identity of any organization. Professional ethics can be an effective indicator and an important motivational tool in the organizations to create excellence, sustainable development, and desirable competition, reduce conflicts, increase commitment and social responsibility and pave the path for having a desired organizational culture. In this regard, the present study was conducted to investigate the effect of professional ethics on organizational culture. Method: The present applied research uses descriptive-survey method and the correlation approach. The statistical population of this study is 5000 employees from Mashhad Municipality and based on Morganchr('39')s table, 357 employees were selected as the sample size by stratified random sampling. The data collection instruments of the present study are questionnaires of organizational culture and professional ethics and their validity was of the content type approved by the experts. To test the reliability of the questionnaires, Cronbachchr('39')s alpha coefficient test was used. In order to analyze the data, inferential analysis methods of nonlinear regression test using SPSS and structural model method using LISREL were used. Results: The findings show that there is a positive and significant relationship between the independent variable of professional ethics and the dependent variable of organizational culture. Conclusion: The results indicate that the growth of the organization as a planned process is equal to the transformation of organizational culture and professional ethics and attention to ethical indicators as a tool affecting organizational culture create a strategic advantage in identifying and creating new opportunities and achieving organizational goals.
