Friedrich Dietrich
Friedrich Dietrich is the name of the following people:
- Friedrich von Dietrich (French: Philippe-Frédéric Baron de Dietrich ; 1748–1793), French natural scientist and politician
- Friedrich Dietrich (entrepreneur) (1856 – after 1932), German entrepreneur and company founder
- Friedrich August Theodor Dietrich (1817–1903), German sculptor
- Friedrich Carl Dietrich (1805–1891), German pharmacist and botanist, brother of Albert Gottfried Dietrich
- Friedrich Christoph Dietrich (1779–1847), German lithographer and engraver
- Friedrich Gottlieb Dietrich (1765 / 1768–1850), German botanist and garden designer