Jacob Ellsworth Daubert (April 7, 1884 – October 9, 1924) was an American first baseman in Major League Baseball who played for the Brooklyn Superbas and Cincinnati Reds. His career lasted from 1910 until his death in 1924.Daubert was recognized throughout his career for his performances on the field. He won the 1913 and 1914 National League batting titles, as well as the 1913 Chalmers Award. Between 1911 and 1919, The Baseball Magazine named him to their All-American team seven times.