Cambodia
| Name | Locale | Remarks | Date |
|---|---|---|---|
| Barack Obama | Phnom Penh | Met with Prime Minister Hun Sen and a U.S.-ASEAN Leaders’ meeting, a Trans-Pacific Partnership meeting, and the East Asia Summit meeting. | November 19, 2012 |
| Joseph R. Biden | Phnom Penh | Participated in the U.S.-ASEAN and East Asia Summits. | November 12–13, 2022 |