Introduction: Psychological well-being plays an important role in improving the professional performance of physical education teachers, because good mental health can improve motivation, effective interaction with students, and the quality of education. Therefore, examining the relationship between psychological well-being and teachers' professional performance is of great importance.
Methods: Given the nature of the research, which seeks to examine the relationship between research variables, the present study is a survey. The statistical population of this study included all physical education teachers in the east of Mazandaran province, 185 of whom were employed in 1402 according to an inquiry from the Mazandaran Provincial Education Department. The sample size was 120 people, selected through the Krejci-Morgan table, using stratified random sampling (men = 46, women = 74). The collection tools in this study were Patterson's (1990) job performance questionnaires and Ryff's psychological well-being. In this study, PLS2 and SPSS tests were used to analyze the data.
Results: The results showed that psychological well-being has an effect on teachers' professional performance.
Conclusion: The results of this study showed that psychological well-being plays a decisive role in improving the professional performance of physical education teachers and can be considered as one of the key factors of career success in this field. Teachers who have high levels of mental health have a greater ability to effectively manage the classroom, establish constructive interactions with students, and use innovative educational methods.