Social interaction plays an important role in improving students' psychological well-being, especially in higher education environments. This study aims to analyze the effect of social interaction on students' psychological well-being. The research method used is quantitative, with a population of 240 students and a sample of 142 students. The sample was selected through a simple random sampling technique, and analyzed using a simple linear regression analysis technique. The results of the study showed a significant relationship between social interaction and psychological well-being, with a regression coefficient value of 0.254 and a p value <0.001, indicating a significant effect on the variable. The implications of this study indicate the importance for educational institutions to pay attention to aspects of social interaction in order to improve students' psychological well-being and develop beneficial social support during the study period.
Keywords: Psychological Well-being; Social Interaction; Students