The first representative from the United States to Denmark was appointed in 1827 as a Chargé d'Affaires. There followed a series of chargés and ministers until 1890 when the first full ambassador (Envoy Extraordinary and Minister Plenipotentiary) was appointed. The title was changed to Ambassador Extraordinary and Plenipotentiary in 1946. The Ambassador's offices are housed within the Embassy of the United States, Copenhagen.
^ U.S. Embassy in Denmark. "Ambassador Carla Sands". dk.usembassy.gov. Retrieved 11 December 2017.
^ Jackson was commissioned during a recess of the Senate and recommissioned after confirmation on June 29, 1841.
^ Forward was commissioned during a recess of the Senate and recommissioned after confirmation on February 19, 1850.
^ No record has been found of presentation of letter of recall or departure from post.
^ Bedinger was commissioned during a recess of the Senate and recommissioned after confirmation on February 8, 1854.
^ Bedinger was nominated on February 25, 1856, to be Envoy Extraordinary and Minister Plenipotentiary but the nomination withdrawn before the Senate acted upon it.
^ Kirkwood declined the appointment.
^ Yeaman was commissioned during a recess of the Senate and recommissioned after confirmation on January 22, 1866.
^ Andrews took the oath of office, but did not proceed to his post.
^ Camer was commissioned during a recess of the Senateand recommissioned after confirmation on February 4, 1871.
^ Badeau’s nomination was withdrawn before the Senate acted upon it.
^ Payson was commissioned during a recess of the Senate and recommissioned after Senate confirmation on October 29, 1881.
^ Enander took the oath of office but did not proceed to his post.
^ Carr was commissioned during a recess of the Senate and recommissioned after confirmation on January 9, 1890.
^ Swenson was commissioned during a recess of the Senate and recommissioned after confirmation by the Senate on December 18, 1897.
^ Egan was commissioned during a recess of the Senate and recommissioned after confirmation on December 12, 1907.
^ Hapgood was commissioned during a recess of the Senate.
^ Coleman was commissioned during a recess of the Senate and recommissioned after confirmation on December 17, 1931.
^ A commission of the same date as Envoy Extraordinary and Minister Plenipotentiary to Denmark and Iceland was canceled.
^ Atherton was still holding office as Envoy Extraordinary and Minister Plenipotentiary to Denmark when he was recommissioned as such on July 8, 1943, in connection with additional appointments as Envoy Extraordinary and Minister Plenipotentiary to Canada and Luxembourg, resident at Ottawa. R. Borden Reams was serving as Chargé d’Affaires ad interim when the legation in Copenhagen was closed, December 20, 1941.
^ The mission at Copenhagen was reopened as a legation June 16, 1945, with Minister Davis in charge pending presentation of his letter of credence.
^ Brown was commissioned during a recess of the Senate and recommissioned after confirmation on August 3, 1989.