<p>The primary aim of this study was to investigate the relationships between attachment, social exclusion, and risky behaviors in adolescents. The sample comprised 463 adolescents, aged 13–18, attending various high schools in Turkey. Data were collected using three instruments: the Parent and Peer Attachment Inventory, the Ostracism (Social Exclusion) Scale for Adolescents, and the Risk Behaviors Scale. The results revealed a moderate negative correlation between attachment to mothers and risky behaviors, while a weaker negative correlation was observed between attachment to fathers and risky behaviors. Additionally, a low but statistically significant negative correlation was found between peer attachment and risky behaviors. Social exclusion was positively correlated with antisocial behaviors, suicidal tendencies, and school dropout, although the correlations were weak. In contrast, a weak but significant negative relationship was observed between social exclusion and eating habits. No significant association was identified between social exclusion and behaviors such as alcohol consumption or smoking.</p>