Abstract: The objective of this study was to identify the relationship between social support and the career decision-making attitudes of college Taekwondo athletes. In order to achieve the objective, a survey was conducted on 171 Taekwondo athletes playing for college. Frequency analysis, reliability analysis, correlation analysis and multiple regression analysis were performed using. Sub-factors of social support and career decision-making attitude displayed significant and positive correlations. Emotional support and information support which are sub-variables of social support had a positive effect on career maturity. Emotional support and material support which are sub-variables of social support had a positive effect on career preparation behavior. Emotional support one of social support sub-variables had a positive effect on career decision level. The directions of the follow-up studies based on the limitations of the current study are as follows. First, it is possible that other factors can affect the career of Taekwondo athletes. Therefore, it will be necessary to conduct studies using variables that are more concrete. This study solely focused on college Taekwondo athletes. Data from other college athletes are needed.