Friedrich Hagen (disambiguation)
Friedrich Hagen is the name of the following people:
- Friedrich von Hagen ( Friedrich Wilhelm von Hagen ; 1801–1880), German forester
- Friedrich Hagen (1903–1979), German poet
- Friedrich von dem Hagen (1846–1926), Prussian lieutenant general
- Friedrich Heinrich von der Hagen (1780–1856), German specialist in German
- Friedrich Wilhelm Hagen (1767–1837), German reform pedagogue and pastor
- Friedrich Wilhelm Hagen junior (1814–1888), German doctor
- Friedrich Wilhelm Heinrich Hartmann von Hagen (1835–1899), royal Prussian lieutenant general
