Ben Koehler (January 26, 1877, Schoerndorn, Germany – May 21, 1961, South Bend, Indiana) was a Major League Baseball player for the St. Louis Browns in 1905–1906. He was primarily an outfielder, though he played a few games as a first or second baseman.
Koehler played in a total of 208 games and had a lifetime batting average of .233, accumulating 168 hits, 2 home runs, and 62 RBI.
As a center fielder, Koehler helped turn 11 double plays in 1905, among the highest for that fielding position in a single season.