In this study, the relationship between classroom teachers' professional commitment and career satisfaction was analysed. The research was conducted using relational survey model. The data were obtained with career satisfaction scale, professional commitment scale and information form for classroom teachers. The research was limited to the 2022-2023 academic year. The sample of the study is 290 classroom teachers working in public schools in different cities of Turkey. The data were analysed using ANOVA, t-test, correlation and regression tests. According to the results of the analyses, it was seen that there was a significant difference in the professional commitment of classroom teachers in terms of gender, years of service, place of work and educational status variables. It was concluded that career satisfaction of classroom teachers did not show a significant difference in terms of gender, years of service and place of work variables, but showed a significant difference in terms of educational status variable. It was found that there was a moderate, positive and significant relationship between professional commitment and career satisfaction of classroom teachers. According to the results of the regression analysis, it was determined that approximately 22% of the change in career satisfaction was explained by professional commitment. The findings obtained in the study were discussed and some suggestions were made on the subject.