This study investigated the mediator effect of satisfaction with family life in the relationship between social ignore and social media addiction among adolescents. The research was conducted on 456 high school students studying in the 2019 academic year. Ages of the students vary between 14 and 16 years old. Social Media Addiction Scale, Social Ostracism Scale, and Satisfaction with Family Life Scale were used to collect data. SPSS 25 software package and PROCESS software package developed by Hayes as an add-on to SPSS were used in the data analysis. It was found that social ignore predicted social media addiction positive significantly and satisfaction with family life negatively. It was observed that satisfaction with family life predicted social media addiction negative significantly. It was also found that satisfaction with family life mediated the relationship between social ignore and social media addiction.