John Davis (January 25, 1761 – January 14, 1847) was a delegate to the Massachusetts convention to ratify the United States Constitution, Comptroller for the United States Department of the Treasury, United States Attorney for the District of Massachusetts and a United States district judge of the United States District Court for the District of Massachusetts.

- Gender
- Male
- Race
- White
Prior employment
U.S. attorney for the District of Massachusetts1796–1801
U.S. Department of the TreasuryComptroller · 1795–1796
State senator · 1795- Massachusetts convention to ratify the U.S. ConstitutionDelegate · 1788
State representative
Appointments
1801–1841 · Appointed by John Adams (Federalist)Term ended: Resignation
Education
- Read law1786
- Harvard College1781