Joseph, XVIII. prince de Chimay

Marie-Joseph-Guy-Henry-Philippe de Riquet de Caraman, 18th Prince de Chimay, was a Belgian diplomat and politician. He was notable as governor of the province of Hainaut (1870-1878) and Foreign Minister (1884-1892).

His parents were Joseph de Riquet de Caraman, 17th Prince de Chimay, and Émilie Pellapra. His own six children included Joseph, Prince de Caraman-Chimay and Élisabeth, who married the Count of Greffulhe.

He also gave private concerts, with him on violin and his wife on piano. In memory of one of these at which he had assisted, Franz Liszt dedicated a mass to Caraman-Chimay