Jacob Schaefer
# Jacob Schaefer

Jacob Schaefer may refer to:

* Jacob Schaefer Sr. (1855–1910), "the Wizard", professional straight rail and balkline billiards player
* Jacob Schaefer Jr. (1894–1975), professional balkline billiards player
* Jacob Schaefer (composer) (1888–1936), American Jewish composer and conductor
