In this study, the relationship between social media use disorder and life satisfaction in adults was examined. 221 adult individuals participated in the study. Sociodemographic Information Form, Social Media Addiction Scale (SMAS) and Satisfaction with Life Scale were applied to the participants. The survey responses of the participants were entered into SPSS 28.0 package software and statistical analyzes were conducted. Independent sample t-test and one-way ANOVA were applied for comparisons in terms of sociodemographic variables. Pearson correlation was applied to examine the relationship between social media use disorder and life satisfaction. Multiple regression analysis was applied to examine the prediction of life satisfaction by social media. use disorder to the findings of the study, male participants had higher social media use disorder scores than female participants. On the other hand, as the time spent on social media and the number of social media applications increased, social media use disorder scores increased. On the other hand, the social media use disorder scores of single participants and participants reporting low education level were found to be significantly higher. When the findings related to life satisfaction were analyzed, it was found that the life satisfaction scores of the participants who were married, had a higher income level and were employed were significantly higher. When the relationship between life satisfaction and social media use disorder scores was analyzed, it was found that there was a significant relationship between the increase in social media scores and the decrease in life satisfaction scores. In addition, it was found that the conflict sub-dimension of social media use disorder predicted life satisfaction negatively and significantly. The findings of the study are expected to contribute to future applications and researches in terms of understanding the factors related to social media use, which has become an indispensable part of daily life.