According to preliminary observation, there is a significant number of bullying case in Balai Rehabilitasi Social dan Pengasuhan Anak (BRSPA, Center for Social Rehabilitation and Child Care) Yogyakarta. Peksos (Pekerja Sosial; social worker) perform various ways to overcome the problem including the application of religious coping. This study aims to describe the religious coping applied by Peksos in reducing bullying behavior of children and adolescent in BRSPA. This research uses the qualitative approach with data collection methods are interview, observation, and documentation. The data obtained is then analyzed by analytic descriptive analysis. The results show that bullying occurs in verbal bullying (calling by mockery nicknames, making fun of physical differences), and physical bully (extortion, dictating/bossy behavior, hitting). Bullying behavior that occurred in BRSPA Yogyakarta caused by several factors, including; lack of emotion regulation ability, seniority, physical differences, lack of understanding of bullying concept. Overcoming bullying behavior in BRSPA, Peksos implement the application of religious coping approach, i.e. religious practice and active religious coping.