This research aims to determine the influence of social support on the mental health of married individuals. As is known, marriage is a sacred bond between husband and wife, which cannot be avoided from conflict. Conflicts that occur in marriage may have an impact on the mental health of the individuals involved. Mental health is known to be influenced by various factors, one of which is social support from the people around the individual. This research used quantitative methods with a sample of 244 married individuals. Purposive sampling technique was used in this research. Social support was measured using the Multidimensional Scale of Perceived Social Support from Zimet et al (1988) which consists of 12 items with an alpha value of 0.870, while the mental health variable was measured using the mental health scale based on the mental health aspect from Veit & Ware (1989) consisting of of items with an alpha value of 0.830. Data analysis was carried out using simple regression analysis with a significance value of 0.000 (p<0.01). This research shows that social support has a very significant influence on mental health. The correlation coefficient between social support and mental health is 0.372, which means that social support has a positive relationship with mental health. Apart from that, the R² value of 0.138 shows that social support has an effect on mental health by 13.8%.