# List of ambassadors of the United States to Pakistan

The U.S. embassy in Karachi was established August 15, 1947, with Edward W. Holmes as Chargé d'Affaires ad interim, pending the appointment of an ambassador. The first ambassador, Paul H. Alling, was appointed on September 20, 1947. Anne W. Patterson was nominated as United States Ambassador to Pakistan in May 2007, replacing Ryan C. Crocker who was appointed United States Ambassador to Iraq after completing three years of service in Pakistan. In 2010, her post was succeeded by Cameron Munter. The American ambassador is based in the U.S. Embassy, Islamabad.

## Ambassadors

| Name | Title | Appointed | Presented credentials | Terminated mission | Notes |
| Paul H. Alling – Career FSO | Ambassador Extraordinary and Plenipotentiary | September 20, 1947 | February 26, 1948 | June 27, 1948 | |
| Avra M. Warren – Career FSO | Ambassador Extraordinary and Plenipotentiary | February 2, 1950 | February 25, 1950 | November 26, 1952 | |
| Horace A. Hildreth – Political appointee | Ambassador Extraordinary and Plenipotentiary | May 13, 1953 | May 19, 1953 | May 1, 1957 | |
| James M. Langley – Political appointee | Ambassador Extraordinary and Plenipotentiary | June 13, 1957 | July 27, 1957 | July 29, 1959 | |
| William M. Rountree – Career FSO | Ambassador Extraordinary and Plenipotentiary | June 18, 1959 | August 17, 1959 | February 7, 1962 | The capital of Pakistan was moved to Islamabad in August 1960. |
| Walter P. McConaughy – Career FSO | Ambassador Extraordinary and Plenipotentiary | March 1, 1962 | March 20, 1962 | May 27, 1966 | |
| Eugene Murphy Locke – Political appointee | Ambassador Extraordinary and Plenipotentiary | May 27, 1966 | June 9, 1966 | April 16, 1967 | |
| Benjamin H. Oehlert, Jr. – Political appointee | Ambassador Extraordinary and Plenipotentiary | July 27, 1967 | August 16, 1967 | June 17, 1969 | |
| Joseph S. Farland – Political appointee | Ambassador Extraordinary and Plenipotentiary | September 19, 1969 | November 15, 1969 | April 30, 1972 | The post was vacant May 1972–December 1973. Sidney Sober served as chargé d'affaires ad interim during that period |
| Henry A. Byroade – Career FSO | Ambassador Extraordinary and Plenipotentiary | October 15, 1973 | December 5, 1973 | April 23, 1977 | |
| Arthur W. Hummel, Jr. – Career FSO | Ambassador Extraordinary and Plenipotentiary | June 8, 1977 | June 28, 1977 | July 19, 1981 | |
| Ronald I. Spiers – Career FSO | Ambassador Extraordinary and Plenipotentiary | October 1, 1981 | October 29, 1981 | October 27, 1983 | |
| Deane Roesch Hinton – Career FSO | Ambassador Extraordinary and Plenipotentiary | November 21, 1983 | December 26, 1983 | November 9, 1986 | |
| Arnold Lewis Raphel – Career FSO | Ambassador Extraordinary and Plenipotentiary | May 4, 1987 | June 24, 1987 | Died in office, August 17, 1988 | |
| Robert B. Oakley – Career FSO | Ambassador Extraordinary and Plenipotentiary | August 18, 1988 | September 1, 1988 | August 29, 1991 | |
| Nicholas Platt – Career FSO | Ambassador Extraordinary and Plenipotentiary | July 2, 1991 | October 24, 1991 | November 3, 1992 | |
| John Cameron Monjo – Career FSO | Ambassador Extraordinary and Plenipotentiary | October 9, 1992 | November 10, 1992 | September 10, 1995 | |
| Thomas W. Simons – Career FSO | Ambassador Extraordinary and Plenipotentiary | December 19, 1995 | January 25, 1996 | August 24, 1998 | |
| William B. Milam – Career FSO | Ambassador Extraordinary and Plenipotentiary | August 3, 1998 | September 10, 1998 | July 6, 2001 | |
| Wendy Jean Chamberlin – Career FSO | Ambassador Extraordinary and Plenipotentiary | July 12, 2001 | September 13, 2001 | May 29, 2002 | |
| Nancy Jo Powell – Career FSO | Ambassador Extraordinary and Plenipotentiary | August 2, 2002 | August 16, 2002 | November 5, 2004 | |
| Ryan C. Crocker – Career FSO | Ambassador Extraordinary and Plenipotentiary | October 18, 2004 | November 25, 2004 | March 28, 2007 | |
| Anne W. Patterson – Career FSO | Ambassador Extraordinary and Plenipotentiary | July 2, 2007 | July 31, 2007 | October 5, 2010 | |
| Cameron Munter – Career FSO | Ambassador Extraordinary and Plenipotentiary | October 6, 2010 | October 27, 2010 | May 7, 2012 | |
| Richard Olson – Career FSO | Ambassador Extraordinary and Plenipotentiary | September 24, 2012 | October 31, 2012 | October 27, 2015 | |
| David Hale – Career FSO | Ambassador Extraordinary and Plenipotentiary | September 21, 2015 | December 3, 2015 | August 29, 2018 | |
| John Hoover – Career FSO | Chargé d'Affaires ad interim | August 29, 2018 | | September 22, 2018 | |
| Paul W. Jones – Career FSO | Chargé d'Affaires ad interim | September 22, 2018 | | August 31, 2020 | |
| Angela Aggeler – Career FSO | Chargé d'Affaires ad interim | September 1, 2020 | | May 23, 2022 | |
| Donald Blome – Career FSO | Ambassador Extraordinary and Plenipotentiary | March 1, 2022 | July 1, 2022 | January 10, 2025 |
| Natalie A. Baker – Career FSO | Chargé d'Affaires ad interim | January 10, 2025 | | Incumbent |