Otto Franz
Otto Franz is the name of the following people:
- Otto Franz , pseudonym of Otto Franz Gensichen (1847–1933), German writer, playwright and publicist
- Otto Franz (politician) ( Otto Johann Franz ; 1871 – after 1924), German politician (SPD), Member of the Bundestag
- Otto von Franz (1871–1930), Austrian diplomat
- Otto Franz (zoologist) , German zoologist
- Otto Franz (astronomer) ( Otto Gustav Franz ; * 1931), American astronomer
- Otto Damasius Franz (1871–1963), German painter and draftsman