
Background: The study focused on discipline and organizational performance in Nigeria. The study was carried out because of the high level of indiscipline amongst some workers which always affects the level of organizational performance. Ethical theory was employed to analyze the subject matter. Methods: The study used only secondary sources of data through literature review approach. The data collected from literature sources were discussed qualitatively. Results: The study discovered that the effect of discipline on organizational performance include industrial peace and harmony, organizational high productivity, increased revenue, employee career development and environmental friendliness. Also, economic, socio-cultural, political and managerial factors are basically responsible for workers indiscipline in Nigeria organizations. Conclusion: The study concludes that the achievement of organizational high performance among other factors is dependent on the level of employee commitment and dedication to duty in the system which is controlled by the level of employee discipline in the system. The study therefore recommends that Nigeria organizations should develop ethical code of conduct and follow it in their management process so as to maintain discipline; there should be constant training and retraining of organizational staff so as to make them adhere to disciplinary behaviour and organizational employees should always be motivated so as they will not have excuse to exhibit an act of indiscipline as that will have positive effects on organizational performance and growth.