Franz Dietrich (disambiguation)
Franz Dietrich is the name of the following people:
- Franz Dietrich (1810–1883), German orientalist and theologian
- Franz Dietrich (ornithologist) (1862–1944), German ornithologist
- Franz Dietrich (politician) (1928–2013), Swiss politician
- Franz Xaver Dietrich (1882–1962), German painter
- Franz Dietrich (painter) (1828–1890), German painter