Theodor Engelmann
Theodor Engelmann is the name of the following people:
- Theodor Engelmann (journalist) (1808–1889), German-American lawyer, journalist and publisher
- Theodor Engelmann (pharmacist) (1851–1931), German-Swiss pharmacist
- Theodor Erasmus Engelmann (1805–1862), German politician
- Theodor Wilhelm Engelmann (1843–1909), German physiologist