Johann Jakob Baier
Johann Jakob Baier is the name of the following people:
- Johann Jakob Baier (medic, 1677) (1677–1735), German medic, geologist and university professor
- Johann Jakob Baier (medic, 1724) (1724–1812), German medic
See also:
- Johann Jacob Baeyer (1794–1885), German lieutenant general and geodesist