Johann Hagenauer
Johann Hagenauer is the name of the following people:
- Johann Hagenauer (politician) (1909–1982), Austrian politician (ÖVP)
- Johann Baptist Hagenauer (1732–1810), Austrian sculptor
- Johann Georg Hagenauer (1748–1835), German-Austrian architect
- Johann Lorenz Hagenauer (1712–1792), Austrian merchant
