Rudolph Augustus, Duke of Braunschweig-Wolfenbüttel
| Rudolph Augustus | |
|---|---|
| Duke of Brunswick-Lüneburg | |
Portrait by Hans Hinrich Rundt, c. 1700 | |
| Prince of Brunswick-Wolfenbüttel | |
| Reign | 17 September 1666 – 26 January 1704 |
| Predecessor | Augustus II |
| Successor | Anthony Ulrich |
| Born | 16 May 1627 Hitzacker, Principality of Lüneburg |
| Died | 26 January 1704 (aged 76) Hedwigsburg (now part of Kissenbrück), Principality of Brunswick-Wolfenbüttel |
| Spouse | Christine Elizabeth of Barby-Mühlingen |
| House | House of Welf |
| Father | Augustus the Younger, Duke of Brunswick-Lüneburg |
| Mother | Dorothea of Anhalt-Zerbst |
Rudolph Augustus (16 May 1627 – 26 January 1704), a member of the House of Welf, was Duke of Brunswick-Lüneburg and ruled as Prince of Brunswick-Wolfenbüttel from 1666 until his death. In 1685 he made his younger brother Anthony Ulrich co-ruler.