Albert Gottfried Dietrich (8 November 1795 – 22 May 1856) was a German botanist born in Danzig.
Dietrich was curator at the Botanical Garden in Berlin and was an instructor at the institute of horticulture at Berlin-Schöneberg. From 1833 to 1856, with Christoph Friedrich Otto (1783–1856), he was publisher of Allgemeine Gartenzeitung, a newspaper devoted to gardening.