Weston Dickson Fisler (July 6, 1841 – December 25, 1922) was a professional baseball player who played for the Philadelphia Athletics from 1871 to 1876. He was an infielder/outfielder who threw right-handed. Fisler debuted on May 20, 1871 for Philadelphia. In his rookie year, he appeared in 28 games, driving in 16 runs and stealing 6 bases. In 1872, he recorded 48 RBI and had a batting average of .350. He hit his first career home run in 1873. Fisler is credited with scoring the first run in Major League Baseball history on April 22, 1876.