Prince Friedrich Sigismund of Prussia (1891–1927)
| Friedrich Sigismund | |
|---|---|
| Born | 17 December 1891 Jagdschloss Klein-Glienicke, Berlin, Kingdom of Prussia  | 
| Died | 6 July 1927 (aged 35) Lucerne, Switzerland  | 
| Burial | |
| Spouse | 
 Marie Louise of Schaumburg-Lippe 
      (m. 1916) | 
| Issue | Princess Louise Viktoria Prince Friedrich Karl  | 
| House | Hohenzollern | 
| Father | Prince Friedrich Leopold of Prussia | 
| Mother | Princess Louise Sophie of Schleswig-Holstein-Sonderburg-Augustenburg | 
| Prussian Royalty | 
| House of Hohenzollern | 
|---|
| Descendants of Frederick William III | 
  | 
Prince Joachim Viktor Wilhelm Leopold Friedrich Sigismund of Prussia (17 December 1891 – 6 July 1927) was a German World War I fighter pilot and member of the House of Hohenzollern as the son of Prince Friedrich Leopold of Prussia and Princess Louise Sophie of Schleswig-Holstein-Sonderburg-Augustenburg.