Prince Joseph Marie Jerôme Honoré of Monaco was the second son of Honoré III, Prince of Monaco, and Maria Caterina Brignole and the younger brother of Prince Honoré IV. Joseph served as regent of Monaco on behalf of his brother in 1814–1815.
- Occupation
- politician
- Position held
- Prince of Monaco
- Citizenship
- France
- Born
- September 10, 1767, September 10, 1763, 1763
- Died
- June 28, 1816
