John Francis Maisto (born 28 August 1938) is a U.S. former foreign service officer and former ambassador. Previously he was the U.S. Ambassador to the Organization of American States (OAS), the U.S. Ambassador to Venezuela 1997–2000 and the Ambassador to Nicaragua 1993–1996.
Maisto attended the Edmund A. Walsh School of Foreign Service, Georgetown University (1961).
| Diplomatic posts | ||
|---|---|---|
| Preceded by Harry W. Shlaudeman |
United States Ambassador to Nicaragua September 8, 1993–November 15, 1996 |
Succeeded by Lino Gutierrez |
| Preceded by Jeffrey Davidow |
United States Ambassador to Venezuela 21 March 1997–7 August 2000 |
Succeeded by Donna Hrinak |
| Preceded by Roger Noriega |
United States Ambassador to the Organization of American States 2003–2007 |
Succeeded by Hector Morales |
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