Introduction: The aim of this study was to compare the effectiveness of mindfulness-based cognitive therapy and spiritual therapy on cognitive emotion regulation in divorced women..
Methods: The research method was quasi-experimental with pre-test, post-test and follow-up with a control group. The statistical population of this study was all divorced women covered by the welfare of Tehran in 1399, from which 45 qualified volunteers were included in the study, who were divided into two experimental groups and one control group by age homogenization. In the present study, to describe and analyze the data, analysis of variance with repeated measures, Bonferroni post hoc test and SPSS software with a significance level of 0.05 were used..
Results:  The results showed that in the post-test and follow-up, the mean scores of adaptive strategies in the experimental groups increased significantly compared to the control with a greater difference. Also, the effect of mindfulness-based cognitive therapy in the post-test phase has been more effective than spiritual therapy on increasing adaptive strategies. In post-test and follow-up, the mean scores of maladaptive strategies in the experimental groups decreased significantly compared to the control with a greater difference. Also, the effect of spiritual therapy in the post-test phase and following the method of cognitive therapy based on mindfulness has been more effective in reducing maladaptive strategies.  (P≥0.001).
Conclusion: Cognitive therapy based on mindfulness and spiritual therapy for both divorced women seem to improve cognitive emotion regulation strategies in these individuals and reduce the individual and social consequences of divorce.