This study explores gender differences in bullying among students in Portugal. It uses a cross-sectional survey of 387 students aged 7–14 years, applying a questionnaire adapted from Olweus. The data show that both boys and girls are involved in bullying, either as victims or aggressors, with significant differences in the types of bullying and roles they play. Boys are more frequently victims of physical aggression, while girls are more often involved in indirect bullying, such as teasing or gossip. The study also finds that boys are more likely to be aggressors than girls, with significant differences in the frequency of bullying incidents. However, girls are more often victims of indirect bullying. The results highlight the importance of considering gender roles in bullying prevention strategies. The study also reveals that children often seek help from friends, family, or teachers when bullied, with girls more likely to seek help than boys. The findings emphasize the need for gender-sensitive approaches in bullying prevention and intervention programs in schools. The study contributes to a broader understanding of bullying dynamics, highlighting the differential participation of boys and girls in bullying behaviors. The results suggest that gender differences in bullying behaviors are influenced by social and cultural factors, and that addressing these differences is essential for effective bullying prevention. The study underscores the importance of creating supportive environments in schools that promote positive social interactions and reduce bullying. The findings also highlight the need for further research on the role of gender in bullying and the development of targeted interventions to address the issue.This study explores gender differences in bullying among students in Portugal. It uses a cross-sectional survey of 387 students aged 7–14 years, applying a questionnaire adapted from Olweus. The data show that both boys and girls are involved in bullying, either as victims or aggressors, with significant differences in the types of bullying and roles they play. Boys are more frequently victims of physical aggression, while girls are more often involved in indirect bullying, such as teasing or gossip. The study also finds that boys are more likely to be aggressors than girls, with significant differences in the frequency of bullying incidents. However, girls are more often victims of indirect bullying. The results highlight the importance of considering gender roles in bullying prevention strategies. The study also reveals that children often seek help from friends, family, or teachers when bullied, with girls more likely to seek help than boys. The findings emphasize the need for gender-sensitive approaches in bullying prevention and intervention programs in schools. The study contributes to a broader understanding of bullying dynamics, highlighting the differential participation of boys and girls in bullying behaviors. The results suggest that gender differences in bullying behaviors are influenced by social and cultural factors, and that addressing these differences is essential for effective bullying prevention. The study underscores the importance of creating supportive environments in schools that promote positive social interactions and reduce bullying. The findings also highlight the need for further research on the role of gender in bullying and the development of targeted interventions to address the issue.