Purpose: The purpose of this study was to develop a sport motivation scale and to verify the validity of the developed scale. Methods: 534 athletes and non-athletes participated in this study, and for analyzing data descriptive statistics, Exploratory Factor Analysis(EFA), Confirmatory Factor Analysis(CFA), reliability test, correlation analysis. Results: The results of EFA and CFA supported the 6-factor(internal regulation, integrated regulation, identified regulation, introjected regulation, external regulation, non regulation), 24-item Korean version of the sport motivation scale. Internal consistency proven signification. Conclusion: Results support the validity and reliability of Korean version of sport motivation scale based on self-determination theory.