Introduction: Attention and concentration on predictor variables of loneliness feeling in the elderly is an introduction to successful reduction of loneliness feeling and decreasing its serious consequences. The purpose of this study was to determine the role of communication skills, social support and daily spiritual experiences in predicting loneliness feeling of the elderly.

Method: This is descriptive- analytical study. The statistical population of this study was all elderly in Tehran at 2016. Four hundred elderly who are living at home were selected by cluster sampling from different areas of Tehran city. The Revised loneliness feeling scale, Interpersonal Communication Skills questionnaire, Social support questionnaire, and Daily spiritual experiences questionnaire were used to collect information. Data were analyzed by SPSS, version 23, using Pearson Product Moment Correlation and Multiple Regression method.

Results: The statistical results indicated the negative significant correlations between communication skills (r= -0/40, P<0/001), social support (r= -0/20, P<0/001) and daily spiritual experiences (r= -0/50, P<0/001) with loneliness feeling. Multivariate regression analysis showed that 38 percent of the variance in loneliness feeling of the elderly is explained by the communication skills, social support and daily spiritual experiences.

 Conclusion: Communication skills, social support and daily spiritual experiences have a significant role in predicting loneliness feeling of the elderly. The results of this study have significant therapeutic implications about the importance of these variables in the loneliness feeling of the elderly.