Sports have a positive impact in optimizing the physical ability of the students in line with the National Education Philosophy focused to produce a balanced way intellectually, spiritually, emotionally and physically. There is evidence to confirm that mental toughness can affect performance in areas such as education. This study aimed to investigate the relationship between mental toughness and academic achievements among footballers at National University of Malaysia (UKM). Questionnaire were used to examine the constructs of mental toughness study includes self-confidence, commitment, challenge and self-control was adapted from Mental toughness Questionnaire 48 (MTQ48) by Clough et al. (2002). A total of 40 UKM’s football athletes were used as the main respondents in this research. The study found that the highest mean value for the mental toughness factor is the confidence (M = 4.28), followed by challenge (M = 4.26). However, the study showed no significant difference among UKM’s football athletes for all four factors of mental toughness; commitment, self-control, challenge and confidence based on their experience in their respective sports. However, the findings showed that mental toughness significantly correlated with academic achievement for UKM’s footballers. This study found that the construct of self-confidence (13.4%) are major factors of mental toughness that most contribute to academic achievement of UKM’s footballers. The study is expected to help the university, coaches, psychologists and athletes who represent the university to understand the importance of the psychological aspect to success whether in sports or academics achievement. Athletes who have high mental toughness will affect the excellent of academic performance. The researchers suggest that future research could examine athletes from different sports with a larger sample.