In this study we investigated the association between dysfunctional relationship beliefs and marital relationships of Turkish nonclinical married individuals. The Interpersonal Cognitive Distortions Scale (Hamamci & Büyüközturk, 2004), Dyadic Adjustment Scale (Spanier, 1976, and Marriage Life Scale (Tezer, 1986), which measure marital satisfaction, were administered to the sample of 190 married females and males. Analysis revealed that married individuals with low dyadic adjustment endorsed significantly more dysfunctional relationship beliefs than did those with high dyadic adjustment. It was found that dysfunctional relationship beliefs, including especially beliefs concerning being very close to others in their relationships causing negative consequences, have negative and moderate level correlation with the marital adjustment of males, and negative and very low level correlations were found between marital satisfaction and dysfunctional relationships beliefs. But mindreading beliefs were positively associated with the marital satisfaction of females. Although there were no significant age or gender differences in dysfunctional relationship beliefs, significant differences were observed in dysfunctional relationship beliefs in terms of the education level of married individuals.Keywords: marital satisfaction, marital adjustment, dysfunctional relationship beliefs.Although the concepts and methods of cognitive behavioral therapy initially were developed for application with a variety of disorders, in the past decade marital theorists, researchers, and therapists have extended the range of cognitive behavioral therapy to encompass dysfunction in interpersonal relationships (Epstein, 1992). Recent clinical practices and research interests concerning cognitive behavioral marital therapy have been focused on the cognitive components of relationship dysfunctions. Many researchers emphasize that irrational or