Lt. Gen. Douglas Edward Lute (born November 3, 1952) is a retired United States Army lieutenant general and public servant who served as the United States Permanent Representative to NATO from 2013 to 2017. He was nominated for the post by President Obama on May 23, 2013, confirmed by the Senate on August 1, 2013 by voice vote, and assumed his position on September 3, 2013.