Siegfried of Weimar-Orlamünde
Siegfried von Weimar-Orlamünde is the name of the following people:
- Siegfried I (Weimar-Orlamünde) (around 1075–1113), Count Palatine of the Rhine and Count of Weimar-Orlamünde
- Siegfried II (Weimar-Orlamünde) (1107–1124), Count of Weimar-Orlamünde and titular Count Palatine near the Rhine