Sigismund Prince of Prussia
- Category : Notable-Famous-Royal-family
- Type : ME
- Profile : 6/2 - Role Model / Hermit
- Definition : Single
- Incarnation Cross : LAX Informing 2
German royalty, the fourth child of Crown Prince Friedrich Wilhelm of Prussia (later King of Prussia and German Emperor as Friedrich III), and Victoria, Princess Royal, eldest daughter of the British Queen Victoria.
He died of meningitis, aged twenty-one months, in Potsdam, Germany on 18 June 1866.