Josef Janko
Josef Janko is the name of the following people:
- Josef Janko (philologist) (1869–1947), philologist, important etymologist in the field of Germano-Slavic relations
- Josef Janko (singer) (1897-1984), German opera singer (tenor)
- Josef Janko (ethnic group leader) ( Sepp Janko ; 1905-2001), German SS-Obersturmführer and cultural functionary