This document provides surgical retractor devices and systems. For example, this document provides a weighted surgical retractor system. In one example embodiment, this document provides a weighted Deaver retractor system that includes a selectable amount of weight that can be releasably coupled to a shaft of the retractor. The surgical retractors provided herein can be used during a variety of surgical procedures, including surgical procedures performed on the abdomen, thoracic regions, limbs, and so on. In some embodiments, the surgical retractors provided herein are well-suited for retraction of the vaginal canal for hysterectomy surgery, and for other procedures for which vaginal retraction is necessary.