The aim of the study is to determine the effect of prosocial and antisocial behaviors on sports commitment. 294 (98 female+196 male) athlete students aged between 18 and 39 (Mean=20,69, SD=2,78) participated in the study by convenience sampling method for this purpose. "Personal Information Form," "Sports Engagement Scale (SES)" and "Prosocial and Antisocial Behavior in Sport Scale (PABSS)" are used as data collection tools in the research. Data collected online are coded and transferred to the SPSS program, and descriptive statistics, unrelated samples t-test, One Way ANOVA, Pearson correlation and multiple linear regression are used for statistical analysis. In the study, the level of significance is taken as p<0.05. According to the results of the analysis, it is determined that there is a positive, low and significant correlation between Prosocial team-mate and Vigor, Dedication, Absorption and SES. It has been determined that there is a positive, low and significant correlation between absorption and Antisocial opponent and Prosocial opponent. While there is no significant effect in the prosocial opponent sub-dimension; It has been determined that Antisocial team-mate, Antisocial opponent and Prosocial team-mate have a significant effect on sports commitment. These variables explain 7.3% of the total variance on sports commitment.