Joshua Baldwin Clarke (March 8, 1879 – July 2, 1962) was a Major League Baseball outfielder who played for five seasons. He played for the Louisville Colonels in 1898, the St. Louis Cardinals in 1905, the Cleveland Naps from 1908 to 1909, and the Boston Rustlers in 1911. He is the brother of National Baseball Hall of Famer Fred Clarke.