Sanyo Girls' Junior/Senior High School (山陽女学園中等部・高等部, San'yō Jogakuen Chūtōbu Kōtōbu) is a female-only secondary school in Hatsukaichi, Hiroshima, Japan. It was founded in 1929. The school has a marching band and color guard, majorette club, and a non-marching band. More school activities include kendo, volleyball, softball, soccer, and gymnastics. The student body and faculty travel to Hawaii as an additional event. Sanyo receives foreign exchange students from several countries and sends exchange students to various countries.