William Chase Temple (December 28, 1862 – January 9, 1917) was a coal, citrus, and lumber baron during the late 19th and early 20th centuries. He was also a part owner of the Pittsburgh Pirates in Pittsburgh, Pennsylvania from baseball's National League of Professional Baseball Clubs (later known worldwide as simply as the National League), established 1876. He also established the Temple Cup, a silver trophy awarded to the winner of a best-of-seven, post-season Major League Baseball championship series that was conducted for four seasons in the National League, from 1894 to 1897. He became the first sole owner of a professional American football team, in 1898.