Lack of attention and affection from family, declining health which can limit social relationships, and loss of a life partner. This is what causes elderly people to feel lonely. From this, the aim of this research is to find out whether there is an influence of social support and psychological well-being on lonneliness in the elderly. The research method used is a quantitative descriptive correlation research method. Sampling used random sampling technique. The research subjects were 40 samples with criteria namely elderly people aged 60 to 75 years. The scales used in this research are the Psycho-Social Support Scale (PSSS) to measure perceptions of positive change, overcoming difficulties, and getting psychological support from others, The Psychological Well-being – Post-Traumatic Changes Questionnaire (PWB-PTCQ) for measurements that aims to assess perceived changes in psychological well-being after a traumatic event, and UCLA Loneliness is a measurement tool used to detect feelings of loneliness. The research data was analyzed using the multiple regression method utilizing the Statistical Package for Social Science (SPSS) version 20 program. From the results of the hypothesis test, a significant value was obtained between social support and psychological well-being on loneliness which was proven by a significant value, namely (0.000 < 0, 05) and the calculated F value is 72.339 > from the F table value of 3.25, then Ho is rejected and Ha is accepted, so it can be said that there is a simultaneous influence between social support and psychological well-being on loneliness. Suggestions put forward for further research are to deepen the specific factors that cause loneliness, the factors that elderly need, and increase the number of respondents so as to obtain maximum research results.