Johann Seifert
Johann Seifert is the name of the following people:
- Johann Seifert (preacher) (also Johann Seiffert, Johann Seyffert ), Swedish field preacher, translator of the Cautio Criminalis
- Johann Seifert (genealogist) (1655–1733), German genealogist
- Johann Seifert (councilor) , German councilor and manor owner
- Johann Seifert (Lieutenant General) (1889–1978), German Lieutenant General
- Johann Seifert (1800–1877) Humboldt's universal heir