| 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 |
| Issue: | Princess Marie Louise Prince Adalbert Alexander |
| 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 (German: Wilhelm Viktor Ernst Freund Friedrich Georg Adalbert; 15 February 1919 – 7 February 1989) was a German nobleman, 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 Princess Adelheid "Adi" of Saxe-Meiningen (1891–1971). His father, Prince Adalbert carried also the title "Graf Lingen". He forfeited his rights of succession as a result of his unequal marriage.
His sister, Princess Viktoria Marina married William Patterson.
Prince Wilhelm Victor married at Donaueschingen 20 July 1944 Marie Antoinette, Countess of Hoyos (Hohenthurm, 27 June 1920 – Marbella 1 March 2004), and had the following issue:
The Princess was born Countess Marie Antoinette, at Hohenthurm, 27 June 1920, daughter of Friedrich, Count Hoyos-Sprinzenstein, Baron zu Stichsenstein and Wilhelmine von Wuthenau of the Counts Hohenthurm.
Prince Wilhelm Viktor died on 7 February 1989 at age 69.