| Jules | |
| Prince of Guéméné | |
| Spouse: | Marie Louise de La Tour d'Auvergne |
| Issue: | Henri Louis, Prince of Guéméné |
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| Full Name: | Jules Hercule Mériadec de Rohan |
| House: | Rohan |
| Father: | Hercule Mériadec, Prince of Guéméné |
| Mother: | Louise Gabrielle Julie de Rohan |
| Birth Date: | 25 March 1726 |
| Birth Place: | Paris, France |
| Death Place: | Belgium |
Jules de Rohan (Jules Hercule Mériadec; 25 March 1726 - 10 December 1788) was Prince of Guéméné.[1] Born in Paris, he died in Carlsbourg in the Walloon Region of Belgium.
Jules was the oldest son of Hercule Mériadec, Prince of Guéméné (1688–1757) and Louise Gabrielle Julie de Rohan (1704–1741), daughter of Hercule Mériadec de Rohan, Prince of Soubise and Anne Geneviève de Lévis.
On 10 February 1743 he married Marie Louise de La Tour d'Auvergne (1725–1793), daughter of Charles Godefroy de La Tour d'Auvergne, Duke of Bouillon (1706–1771) and Maria Karolina Sobieska.
Jules and Marie Louise had only one son, Henri Louis de Rohan, who married a second cousin, Victoire de Rohan, daughter of Charles de Rohan, Prince of Soubise and Anne Therese of Savoy.
The Prince of Guéméné died in Belgium in 1788.[2] His son, daughter-in-law, and grandchildren fled to Bohemia before the French Revolution.