Tannenberg
Tannenberg (lit.: fir-tree mountain) may refer to:
- Tannenberg, a village in the District Osterode near Grunwald (Grünfelde) in East Prussia
- Grafen von Tannenberg, German nobles (counts) of the Holy Roman Empire (since 1433) and the Austrian Empire
- Battle of Tannenberg (1410)
- Second Battle of Tannenberg, 1914
- Tannenberg Memorial
- Operation Tannenberg (WWII)
- Führerhauptquartier Tannenberg in the northern Black Forest (WWII)
- Tannenberg generals, honorary generals of the Wehrmacht