This is a list of ambassadors of the United States and other Heads of Mission to Lebanon.

• George Wadsworth (1942–1947) – Consul General, later promoted to Envoy. Also was head of mission to Syria but resident in Beirut.
• Lowell C. Pinkerton (1946–1951) – Envoy
• Harold B. Minor (1951–1953) – Envoy, promoted to first ambassador.
• Raymond A. Hare (1953–1954)
• Donald R. Heath (1955–1958)
• Robert McClintock (1958–1961)
• Armin H. Meyer (1961–1965)
• Dwight J. Porter (1965–1970)
• William B. Buffum (1970–1974)
• G. McMurtrie Godley (1974–1976)
• Francis E. Meloy, Jr. (1976) – Assassinated prior to presenting credentials.
• Richard B. Parker (1977–1978)
• John Gunther Dean (1978–1981)
• Robert Sherwood Dillon (1981–1983)
• Reginald Bartholomew (1983–1986)
• John Hubert Kelly (1986–1988)

Ambassador of the United States to Lebanon
السفارة الأمريكية في لبنان
Seal of the United States Department of State
Incumbent Lisa A. Johnson since January 11, 2024
Nominator	The President of the United States
Appointer	The President with Senate advice and consent
Inaugural holder	George Wadsworth as Consul General
Formation	1942
Website	U.S. Embassy - Beirut

On September 6, 1989, all United States personnel were withdrawn from Beirut during unrest resulting from there being no clear successor to President Amin Gemayel. Ambassador Ryan C. Crocker did not formally present his credentials until 1990 to René Moawad.

• John Thomas McCarthy (1988–1990)
• Ryan Clark Crocker (1990–1993)
• Mark Gregory Hambley (1993–1994)
• Vincent M. Battle (1994) – Charges d'Affaires ad interim.
• Ronald L. Schlicher (1994–1996) – Charges d'Affaires ad interim.
• Richard Henry Jones (1996–1998)
• David Michael Satterfield (1998–2001)
• Vincent M. Battle (2001–2004)
• Jeffrey D. Feltman (2004–2008)
• Michele J. Sison (2008–2010)
• Maura Connelly (2010–2013)
• David Hale (2013–2015)
• Richard Henry Jones (2015-2016) – Charges d'Affaires ad interim.
• Elizabeth Holzhall Richard (2016–2020)
• Dorothy Shea (2020–2023)
• Lisa A. Johnson (2024-)