David Porter Chandler (born 1933) is an American historian and academic who is regarded as one of the foremost western scholars of Cambodia's modern history.

[4] Chandler was a United States Foreign Service officer from 1958–66,[3] serving in Phnom Penh (1960–62), Bogotá, Santiago de Cali, and Washington, D.C.

[4] He has been a Senior Advisor at the Center for Khmer Studies in Siem Reap; a USAID consultant evaluating Cambodia's democracy and governance programs; an Asia Foundation consultant assessing Phnom Penh election activities.

He has also accompanied Amnesty International and the Office of the United Nations High Commissioner for Refugees on Cambodian research and fact finding missions, and has been a researcher in Cambodia archives for the U.S. Department of Defense Office of POW/MIA Affairs.

[citation needed] A room in the U.S. Embassy in Phnom Penh is named in his honor.