Diamond Park was a baseball stadium in Toronto, Canada. It was the home of the Toronto Maple Leafs professional baseball club from 1901 until 1907. It was located at the south-east corner of Liberty Street and Fraser Avenue. The stadium was also used for rugby football and lacrosse. In 1911, construction began on a new E. W. Gillett Company factory complex on the site, which opened in 1912. The factory is now the headquarters of Kobo Inc.