James Randolph Evans (born September 24, 1958) is an American lawyer and diplomat who served as the United States Ambassador to Luxembourg from 2018 to 2021. He presented his credentials on June 19, 2018 to the Grand Duke of Luxembourg. A member of the Republican Party from Georgia, he specializes in litigation, as well as professional, legal and government ethics. Evans is a partner at the global law firm Squire Patton Boggs.