John Thomas (Jack) Tobin (May 4, 1892 – December 10, 1969) was a right fielder in Major League Baseball who played in the Federal League with the St. Louis Terriers (1914–1915), and for the St. Louis Browns (1916, 1918–1925), Washington Senators (1926[start]) and Boston Red Sox (1926[end]-1927) of the American League. Tobin batted and threw left-handed.