Carlo Troya (also spelled Troja; 7 June 1784 – 28 July 1858) was a historian and politician who served as Prime Minister of the Two Sicilies from 3 April 1848 until 15 May 1848.
Politically, he was a liberal Neo-Guelph who supported Italian unification.
His primary historical interest was the study of the Early Middle Ages, to which he made lasting contributions.