The Duchy of Montbazon is the area around Montbazon, near Tours, in France. During the Ancien Régime, Montbazon became a seigneurie held by the House of Rohan in the fifteenth century; was elevated to a comté in 1557, and raised to the level of a duchy in 1588.
| From | To | Lord of Guéméné |
|---|---|---|
| 1438 | Charles I de Rohan (d. 1438) | |
| 1438 | 1457 | Louis I de Rohan (d. 1457) |
| 1457 | 14?? | Louis II de Rohan (d. 1508) |
| 14?? | 1498 | Louis III de Rohan (d. 1498) |
| 1498 | 1527 | Louis IV de Rohan (d. 1527) |
| 1527 | 1557 | Louis V de Rohan (d. 1557) |
| From | To | Duke of Montbazon | |
|---|---|---|---|
| 1588 | 1589 | Louis VII de Rohan (1562-1589) | |
| 1589 | 1654 | Hercule, Duke of Montbazon (1568-1654) | |
| 1654 | 1667 | Louis VIII de Rohan (1598-1667) | |
| 1667 | 1699 | Charles II de Rohan (1633-1699) | |
| 1699 | 1727 | Charles III, Prince of Guéméné (1655-1727) | |
| 1727 | 1757 | Hercule Mériadec, Prince of Guéméné (1688-1757) | |
| 1757 | 1800 | Jules, Prince of Guéméné (1726-1800) | |
| 1800 | 1809 | Henri Louis, Prince of Guéméné (1745-1809) | |
| 1809 | 1836 | Charles Alain, Prince of Guéméné (1764-1836) | |
| 1836 | 1846 | Louis IX Victor Meriadec de Rohan (1766-1846) | |
| 1846 | 1892 | Camille Philippe Joseph Idesbald de Rohan-Rochefort (1800-1892) | |
| 1892 | 1914 | Alain I Benjamin Arthur de Rohan-Rochefort (1853-1914) | |
| 1914 | 1976 | Alain II Anton Joseph de Rohan-Rochefort (1893-1976) | |
| 1976 | 2008 | Charles V Alain Albert de Rohan-Rochefort (1934-2008) | |
| 2008 | 2019 | Albert Marie de Rohan-Rochefort (1936-2019) | |
| 2019 | Charles VI Raoul de Rohan (1954-) |