List of ambassadors of the United States to San Marino
| Ambassador of the United States to San Marino | |
|---|---|
Seal of the United States Department of State | |
Flag of a United States ambassador | |
since May 6, 2025 | |
| Nominator | The president of the United States |
| Inaugural holder | Ronald P. Spogli as Ambassador Extraordinary and Plenipotentiary |
| Formation | November 22, 2006 |
| Website | United States Virtual Presence Post Republic of San Marino |
The United States ambassador to San Marino is the official representative of the government of the United States to the government of San Marino. The ambassador is concurrently the ambassador to Italy, while resident in Rome, Italy.