Prince William of Hesse-Kassel
| Prince William | |
|---|---|
| Born | 24 December 1787 Biebrich, Landgraviate of Hesse-Kassel |
| Died | 5 September 1867 (aged 79) Copenhagen, Kingdom of Denmark |
| Spouse | |
| Issue | Princess Karoline Marie Luise, Princess Frederick Augustus of Anhalt-Dessau Louise, Queen of Denmark Friedrich Wilhelm, Landgrave of Hesse Auguste, Baroness Carl Frederik of Blixen-Finecke Princess Sophie Wilhelmine |
| House | Hesse-Kassel |
| Father | Prince Frederick of Hesse-Kassel |
| Mother | Princess Caroline of Nassau-Usingen |
Prince William of Hesse-Kassel (24 December 1787 – 5 September 1867) was the first son of Prince Frederick of Hesse-Kassel and Princess Caroline of Nassau-Usingen. He was titular Landgrave of Hesse-Kassel-(Rumpenheim) and for many years heir presumptive to the throne of Hesse-Kassel.