Exemplary embodiments of a suture anchor are provided that generally include a suture anchor body including a securing structure for securing the suture anchor in tissue or bone. The suture anchor body includes an internal cavity configured and dimensioned to receive therein a suture and a locking pin. Exemplary embodiments are also directed to suture anchor systems that generally include a suture anchor and a driver configured and dimensioned to interlock relative to the suture anchor. Exemplary embodiments are further directed to methods of anchoring a suture in tissue or bone that generally include providing a suture anchor, passing the suture through the suture anchor body, and driving the suture anchor into the tissue or bone.