Johan Adam Pollich or Johann (1 January 1741, Kaiserslautern – 24 February 1780) was a German doctor, botanist and entomologist.
He studied medicine in Strasbourg, and following graduation he practiced medicine for a short period of time.
From 1764 onward he devoted his energies to natural sciences.
In 1776 he published the first volume of Historia plantarum in Palatinatu, followed by volumes II & III the next year.
Because of its excellent descriptions of plants, this work was highly praised by Pollich's contemporaries.