Leon Allen White (May 14, 1955 – June 18, 2018), better known by his ring names Big Van Vader or simply Vader, was an American professional wrestler and professional football player. Throughout his career, he performed for New Japan Pro-Wrestling (NJPW), World Championship Wrestling (WCW), the World Wrestling Federation (WWF), All Japan Pro Wrestling (AJPW), and Pro Wrestling Noah (NOAH) during the 1990s and 2000s. He is widely regarded as the greatest super-heavyweight professional wrestler of all time.

White performed as a monstrous wrestler, and he was capable of aerial maneuvers: his diving moonsault was voted the "Best Wrestling Maneuver" of 1993 by Wrestling Observer Newsletter (WON) readers. Among other accolades in WCW, Mexico and Japan, he won the IWGP Heavyweight Championship and the WCW World Heavyweight Championship three times each, the UWA World Heavyweight Championship once, the Triple Crown Heavyweight Championship twice, the WCW United States Heavyweight Championship once, and won the battle royal main event of the 1993 Battlebowl pay-per-view (PPV). He headlined multiple PPV events for the WWF and WCW. Vader was inducted into the Wrestling Observer Newsletter Hall of Fame in 1996 and the WWE Hall of Fame in 2022.