Eugene Victor Klein (January 29, 1921 – March 12, 1990) was an American businessman who was chairman of the board of directors and chief stockholder of National General Corp., an insurance and entertainment company based in Los Angeles, California. Klein was also a founding partner of the Seattle SuperSonics of the National Basketball Association, owner of the San Diego Chargers of the National Football League from 1966 to 1984, and a major figure in Thoroughbred horse racing.