Estonia
| Name | Locale | Remarks | Date |
|---|---|---|---|
| James Addison Baker | Tallinn | Met with Chairman Ruutel and Prime Minister Savisaar. | September 14, 1991 |
| Condoleezza Rice | Tallinn | Accompanied President Bush. | November 28, 2006 |
| Hillary Rodham Clinton | Tallinn | Attended a NATO Informal Ministerial Meeting. Met with President Ilves and Foreign Minister Paet. | April 22–23, 2010 |