This study investigated the longitudinal relations between theory of mind (ToM) understanding, self-perceptions, and perceptions of gender-role orientation in 28 school-aged children, (16 girls, 12 boys, aged 8-12 years). Theory of mind and perceptions of self were assessed at Time 1 (T1, M = 8 y 5 m) and two years later at Time 2 (T2, M = 10 y 4 m). Negative correlation was found between T1 ToM and T2 Perceptions of Moral Self (r = -0.55, p = 0.004). Positive correlations were found between T1 Perceived Masculinity and T1 ToM (r = 0.682, p = 0.015). No relations were found between ToM T1 and T2 (r = 0.281, ns), as well as between T1 and T2 Self- Understanding scores (r = 0.244, ns). Positive relations were found between self-understanding and ToM at T1 only (r = 0.394, p = 0.038). Implications for children's socioemotional development are discussed.