The aim of this study is to investigate the moderating effects of attachment styles and gender on the predictive strength of marital adjustment on psychological symptoms among Turkish married individuals. Correlational model was used and the sample consisted of 178 married individuals. The data was gathered through online survey. The Turkish form of Brief Symptom Inventory (BFI) was used to measure psychological symptoms. The Turkish form of Dyadic Adjustment Scale (DAS) was used to measure marital adjustment and the Turkish form of Relationship Scales Questionnaire (RSQ) was used to measure attachment styles. The hypothetical model was formed and tested through path analysis technique of structural equational modeling. Results showed that secure, dismissing and fearful attachment styles and gender moderated the predictive strength of marital adjustment on psychological symptoms. It was found that the relationship between marital adjustment and psychological symptom is stronger among individuals who have secure attachment style.