Peter Mark Haymond is an American diplomat who had served as the United States Ambassador to Laos from February 2020 to September 2023.

Haymond earned a Bachelor of Arts from Brigham Young University and a Master of Arts in Law and Diplomacy and Doctor of Philosophy from the Fletcher School of Law and Diplomacy at Tufts University.

He recently served as Chargé d’Affaires at the United States Embassy in Bangkok, Thailand.

[3] On September 3, 2019, President Trump nominated Haymond to be the next United States Ambassador to Laos.

[8] He was sworn in on January 15, 2020,[9] and presented his credentials to Laotian President Bounnhang Vorachit in Vientiane on February 7, 2020.