Jeffrey Nero Hardy is an American professional wrestler and musician. He is signed to Total Nonstop Action Wrestling (TNA), where he a former three time TNA World Tag Team Champion. He also appears on partner promotion WWE on its NXT brand. He is also known for his tenures in WWE and All Elite Wrestling (AEW).

He is regarded as one of the greatest professional wrestlers of all time as well as one of the most daring high flyers and risktakers throughout his career. Together with his brother Matt Hardy, the tag team The Hardy Boyz are widely regarded as one of the major teams that revived tag team wrestling during the Attitude Era and one of the greatest tag teams in professional wrestling history.