| Prince William Frederick | |
|---|---|
| Duke of Gloucester and Edinburgh | |
 The Duke of Gloucester, c. 1810s | |
| Duke of Gloucester and Edinburgh | |
| Tenure | 25 August 1805 – 30 November 1834 |
| Predecessor | William Henry |
| Born | Prince William Frederick of Gloucester 15 January 1776 Teodoli Palace, Rome, Papal States |
| Died | 30 November 1834 (aged 58) Bagshot Park, Surrey, England |
| Burial | 11 December 1834 |
| Spouse | |
| House | Hanover |
| Father | Prince William Henry, Duke of Gloucester and Edinburgh |
| Mother | Maria Walpole |
Prince William Frederick, Duke of Gloucester and Edinburgh (15 January 1776 – 30 November 1834) was a great-grandson of King George II of Great Britain and the nephew and son-in-law of King George III. He was the grandson of both Frederick, Prince of Wales (George II's eldest son), and Edward Walpole. Prince William married Princess Mary, the fourth daughter of George III.