| Birth Date: | 15 February 1919 |
| Birth Place: | Kiel, Schleswig-Holstein, Weimar Republic |
| Death Place: | Donaueschingen, Baden-Württemberg, West Germany |
| Burial Date: | 11 February 1989 |
| Burial Place: | Nordfriedhof, Munich, Germany |
| Spouse: | Countess Marie Antoinette of Hoyos-Stichsenstein |
| Issue: | Princess Marie Louise, Countess of Schönburg-Glauchau Prince Adalbert Alexander Friedrich of Prussia |
| Full Name: | German Wilhelm Viktor Ernst Freund Friedrich Georg Adalbert |
| House: | Hohenzollern |
| Father: | Prince Adalbert of Prussia |
| Mother: | Princess Adelaide of Saxe-Meiningen |
Prince Wilhelm Victor of Prussia (de|Wilhelm Viktor Ernst Freund Friedrich Georg Adalbert; 15 February 1919 – 7 February 1989) was a German royal, soldier and diplomat.
Prince Wilhelm Victor was a grandson of Emperor Wilhelm II and the youngest child of Prince Adalbert of Prussia (1884–1948) and his wife, Princess Adelheid "Adi" of Saxe-Meiningen (1891–1971).[1] His father, Prince Adalbert carried also the title "Graf von Lingen". He forfeited his rights of succession as a result of his unequal marriage. His only surviving sister, Princess Viktoria Marina (1917-1981) married Kirby William Patterson (1907-1984).
Prince Wilhelm Victor married at Donaueschingen 20 July 1944 Marie Antoinette, Countess of Hoyos-Stichsenstein (Hohenthurm, 27 June 1920 – Marbella 1 March 2004), daughter of Friedrich, Count of Hoyos-Stichsenstein (1876-1951) and his wife, Countess Wilhelmine von Wuthenau-Hohenthurm (1895-1983), niece of Sophie, Duchess of Hohenberg.[2] They had the following issue:
Prince Wilhelm Viktor died on 7 February 1989 at age 69. He is buried alongside his wife in Nordfriedhof, Munich, Germany.