This study aims to identify the relationship between depression, social support and suicidal intention of the elderly with disability, and to verify the moderating effect of social support between depression and suicidal intention. For these purposes, 734 senior citizens with disabilities, excluding missing values, were finally analyzed from the 12th Korea Welfare Panel Study(KWPS). The results of this study are as follows. First, the degree of depression, social support, and suicide of elderly people with disabilities had the positive or negative statistical association between variables except for some variables. Second, the statistics showed the moderating effect of social support between depression and suicidal intention, depending on the types of social support. In other words, family support among social support had the negative moderating effect, while friend and neighborhood support showed the positive effect. Based on the study results, this research suggested the practice and policy implications to increase social support, especially family support, to the elderly with disability as well as to decrease their suicidal intention