Tommy Corcoran, American baseball player and umpire (died 1960)

Thomas William Corcoran was an American professional baseball player. He played in Major League Baseball as a shortstop from 1890 to 1907 for the Pittsburgh Burghers (1890), Philadelphia Athletics (1891), Brooklyn Grooms/Brooklyn Bridegrooms (1892–1896), Cincinnati Reds (1897–1906) and the New York Giants (1907). The 5 ft 9 in (1.75 m) Connecticut native occasionally played second base later in his career. He batted and threw right-handed.

January 4 is the fourth day of the year in the Gregorian calendar; 361 days remain until the end of the year.