"Bill" Heidt (born 1961)[2] is an American diplomat who was the United States Ambassador to Cambodia from 2015 to 2018.

He was nominated on April 7, 2015, by President Barack Obama[3] to succeed William E.

[4] He was confirmed by the U.S. Senate on August 5, 2015.

[6] His term ended on November 28, 2018.

Heidt earned a bachelor's degree in Foreign Service and International Politics from Pennsylvania State University and a master's degree in International Relations from George Washington University.