William Martin "Pickles" Dillhoefer (October 13, 1893 – February 23, 1922) was a Major League Baseball catcher for parts of the 1917–1921 seasons with the Chicago Cubs, Philadelphia Phillies and St. Louis Cardinals. While his career was undistinguished, Dillhoefer was still young when he died from typhoid fever in the winter of 1921–1922. Aside from his death at a young age, Dillhoefer was remembered for his colorful nickname, a play on dill pickles.