Brisbane Girls Grammar School

Brisbane Girls Grammar School is an independent non-denominational secondary day school for girls, located in Spring Hill, an inner suburb of Brisbane, Queensland, Australia. Founded in 1875, the school is one of eight grammar schools in Queensland that were established under the Grammar Schools Act of 1860. The school originally opened as a branch of the Brisbane Grammar School with fifty students under the direction of a principal, Janet O'Connor.

Brisbane Girls Grammar School is affiliated with the Association of Heads of Independent Schools of Australia (AHISA), the International Coalition of Girls' Schools, and is a member of the Queensland Girls' Secondary Schools Sports Association (QGSSSA).

Brisbane Girls Grammar School has approximately 1,550 students enrolled in Years 7 to 12. Its brother school is Brisbane Grammar School. The School opened its Junior School in 2026, taking in students in Years 5 and 6.