Samuel Gillen (November 4, 1867 – May 13, 1905), is a former professional baseball infielder who played shortstop in the major leagues for the 1893 Pittsburgh Pirates and 1897 Philadelphia Phillies.

[2][3] From 1891 to 1893, he continued to play in the minor leagues, for the Davenport Pilgrims and teams in Elmira, New York, Macon, Georgia, and Quincy, Illinois.

[1] Gillen returned to the minor leagues, playing for the Wilkes-Barre Coal Barons in 1894 and the Detroit Tigers in 1895 and 1896.

[2] As the close of spring training in 1897, The Philadelphia Inquirer wrote: "Gillen has demonstrated in many hard and trying plays that he is a natural infielder -- an artist of the first water.

[3] Prior to the 1899 season, Gillen was traded by St. Paul to the Columbus Buckeyes with George Cross for Dan Lally.

The Indianapolis News announced his arrival: "Sammy Gillen once touted as the fastest infielder in the Western league, and always, in the old days, a consistent hitter, has gone down the line until he has finally landed in Fort Wayne.