Theodor Winkler
Theodor Winkler is the name of the following people:
- Theodor Winkler (musician) (1834–1905), German flautist and composer
- Theodor Winkler (journalist) (1844–1895), German journalist and writer
- Theodor Ferdinand Alexander Winkler (1888–1961), German-Baltic pedagogue
- Theodor H. Winkler ( Theodor Heinrich Winkler ; * 1951), Swiss diplomat