John Warlick McDonald

John Warlick McDonald (February 18, 1922 – May 17, 2019) was an American diplomat. He was appointed to the rank of ambassador twice by Jimmy Carter and twice by Ronald Reagan to represent the United States at United Nations World Conferences. From 1974 to 1978, he was the deputy director general of the International Labour Organization.

McDonald was born in Koblenz, Germany, while his father was stationed there with the U.S. military. He had B.A. and a J.D. degrees from the University of Illinois at Urbana–Champaign and graduated from the National War College in 1967. After receiving his law degree, McDonald entered the U.S. Foreign Service.

McDonald co-founded Global Water and later founded the Institute for Multi-Track Diplomacy.