Jacob B. Kemerer (1844-1901) was an American politician who served in the Pennsylvania State Senate as a Democrat, representing Northampton County for one term from 1899 to 1901.

He served on the committee of Judiciary General and was noted to be well versed in Legalese and gave his fellow senators meaningful insight into legal practices when relevant.

He would be unable to attend many sessions do to an ongoing battle with Bright's disease which ultimately took his life on October 16, 1901, at the age of 56.

[1][2] Since Kemerer died while in office, a lengthy and well documented funeral and memorial by the Senate would take place, with the proceedings being archived in the Library of Congress and the Smithsonian Institution.

Kemerer was Presbyterian, and one of the few Chief Burgesses that was not a member of the Moravian Church, regardless, he is buried in the God's Acre in Bethlehem.