Background: Improvement of professional Ethics in employees is the great challenge for organizational managers. This subject is more stressed in educational centers because of their content. Therefore, the aim of this study was to determine the role of culture and organizational voices on teachers’ professional ethics. Method: This study is a descriptive-correlation research. Population of the study includes all teachers of elementary schools in Ghaen province. Among all teachers, 186 teachers were selected by cluster sampling. Data were gathered by three standard questionnaires; Organizational culture, Professional ethics and Organizational voices. Data were analyzed by using multiple regression and Pearson correlation coefficient through SPSS18 software. Results: Results show that organizational culture (mean=3.36±013), professional ethics (mean= 4.61±0.37) and organizational voices (mean= 4.83±.26) are more than the mean. Organizational culture explains 14 percent of professional ethics variance and 18 percent of organizational voices. Also, organizational voices explain 23 percent of professional ethics variances. Conclusion: Culture and organizational voices lead to the improvement of professional ethics in teachers. Organizational culture provides the background of improvement of organizational voices for teachers. Therefore, organizational managers are able to promote organizational voices and culture that lead to improvement of professional ethics in teachers.
