The purposes of this study were to uncover the relationships and correlations between mental health, resilience and happiness. The sample consisted of 184 intermarried Korean men. The data were analyzed by means of frequency, Pearson's correlation, and multiple regression analysis using SPSS. The major findings were as follows; Mental health was negatively correlated with resilience and happiness, except for the component of negative emotion. Additionally, resilience was positively correlated with feelings of happiness and positive emotion. Second, social maladaptation and depression had a negative influence on resilience and a negative influence on happiness. Resilience had a mediating effect on mental health and feelings of happiness. Resilience had a mediating effect on mental health and positive emotion, while resilience had a mediating effect on mental health and negative emotion. In conclusion, in order to improve happiness it is important to mediate on intermarried Korean men's resilience through special education programs and counseling.