Alejandro Daniel Wolff (born 1956) is an American diplomat who served as the US Ambassador to Chile from 2010 to 2013. He was the acting U.S. Permanent Representative to the United Nations until Zalmay Khalilzad was appointed as permanent representative. He was made the representative after the resignation of John Bolton on December 9, 2006. Previously he had been the Deputy U.S. representative to the United Nations. Wolff is the recipient of the Department of State's Distinguished, Superior, and Meritorious Honor Awards. He is married, with two children, and speaks French and Spanish.