This video demonstrates periacetabular osteotomy in a 17-year-old boy with acetabular dysplasia. The indications and contraindications for periacetabular osteotomy are reviewed. The case presentation of the 17-year-old boy, including a full diagnostic workup, is discussed. The video illustrates key surgical considerations, including proper operating room setup and necessary equipment. A step-by-step surgical technique for periacetabular osteotomy, including anterior inferior iliac spine resection and femoral head/neck osteochondroplasty, is reviewed. The video concludes by detailing the senior author’s postoperative rehabilitation protocol, the outcome of the patient in this case presentation, and supporting literature for this technique.