This study aimed to examine whether the tendency to cheat and interpersonal cognitive distortions have a predictive effect on the marital satisfaction level of married teachers. The sample of the study consisted of 107 (28.1%) male and 271 (71.9%) female married teachers working in Gaziantep. In the study, a Personal Information Form was used to collect data on the demographic characteristics of married teachers, the Marriage Life Scale to measure marital satisfaction level, the Cheating Tendency Scale to measure the level of infidelity tendency, and the Interpersonal Cognitive Distortions Scale to measure interpersonal cognitive distortions. A survey model was used in this study. The Pearson Correlation Coefficient and Multiple Regression analysis methods were used in the analysis process of the obtained data. As a result of the research, it was concluded that the tendency to cheat and interpersonal cognitive distortions were significant predictors of marital satisfaction. As a result of the analysis, it was concluded that the tendency to cheat and interpersonal cognitive distortions explained 30% of married teachers' marital satisfaction. At the same time, there is a negative and significant relationship between marital satisfaction and the tendency to cheat; a positive and significant relationship exists between the tendency to cheat and interpersonal cognitive distortions. It has been determined that there is a negative and significant relationship between interpersonal cognitive distortions and marital satisfaction.