| Princess Adelgunde | |
| Full Name: | German: Adelgunde Marie Auguste Therese |
| Reign: | 20 January 1915 – 22 October 1927 |
| Consort: | yes |
| Succession: | Princess of Hohenzollern |
| Spouse: | William, Prince of Hohenzollern |
| House: | Wittelsbach |
| Father: | Ludwig III of Bavaria |
| Mother: | Maria Theresia of Austria-Este |
| Birth Date: | 17 October 1870 |
| Birth Place: | Munich, Kingdom of Bavaria |
| Death Place: | Sigmaringen, Baden-Württemberg, West Germany |
Princess Adelgunde of Bavaria (Full German name: Adelgunde Marie Auguste Therese Prinzessin von Bayern) (17 October 1870 - 4 January 1958) was a Princess of Bavaria by birth and Princess of Hohenzollern through her marriage to William, Prince of Hohenzollern. Adelgunde was the second eldest child of Ludwig III of Bavaria and his wife Maria Theresia of Austria-Este.
Adelgunde married Prince Wilhelm of Hohenzollern, eldest son of Leopold, Prince of Hohenzollern and Infanta Antónia of Portugal, on 20 January 1915 in Munich, Bavaria, Germany. Adelgunde and William had no children.