Beginning in 2006, the U.S. Ambassador to Italy is concurrently accredited as the U.S. Ambassador to San Marino.
List of U.S. ambassadors to Italy
Listed below are the head U.S. diplomatic agents in Italy, their diplomatic rank, and the effective start and end of their service in Italy.
The Embassy at Naples closed November 6, 1860.
Diplomatic relations were severed and the U.S. Embassy in Rome was closed on December 11, 1941, after Italy declared war on the United States. Diplomatic relations were reestablished on October 16, 1944. Ambassador Alexander C. Kirk reopened the U.S. Embassy in Rome when he presented his credentials on January 8, 1945.