Otto Schmitz
Otto Schmitz is the name of the following people:
- Otto Schmitz (engineer) ( Otto Heinrich Theodor Schmitz ; 1879-1965), German engineer, university professor, industrial manager and politician (CDU)
- Otto Schmitz (politician, 1883) (1883–1942), German administrative lawyer and politician, mayor of Bocholt
- Otto Schmitz (theologian) ( Karl Otto Schmitz ; 1883–1957), German theologian and university professor
- Otto Schmitz-Dumont (1899–1982), German chemist and university professor
- Otto Schmitz-Hübsch (1868–1950), German fruit farmer and breeder