Paediatric acetabular fractures are rare entities commonly occurring in conjunction with pelvic ring injuries in the context of high-energy trauma. It is important to have a high index of suspicion for extra-pelvic injuries associated with acetabular fractures. Classification of these injuries can be difficult due to the transitional nature of the acetabulum in the immature skeleton and a variety of imaging modalities may be required for diagnosis. Paediatric acetabular fractures can cause significant long-term morbidity for the patient and a multi-disciplinary approach is required for management of these injuries. This article outlines the underlying anatomy of the paediatric acetabulum together with assessment and diagnosis of these rare injuries and discusses management of the various patterns of injury encountered in clinical practice.