Self-efficacy is a crucial psychological aspect influencing athletes’ confidence and performance, while social support is believed to enhance it. This study aims to analyze the relationship between social support and self-efficacy among adolescent taekwondo athletes in Central Java. A quantitative correlational design was applied to 259 athletes aged 14–23 years using validated instruments for social support and self-efficacy. Data were analyzed using a non-parametric correlation technique to determine the association between the variables. The results indicate no significant relationship between social support and self-efficacy, although both variables were in the high category. These findings suggest that athletes’ self-efficacy is more strongly influenced by internal factors such as mastery experience and personal motivation rather than external social support. This study implies that enhancing athletes’ self-efficacy should focus on strengthening internal factors through mental training and reflective competitive experiences.
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