Here, you will find an overview of all Danish diplomatic representatives and ambassadors to the United Kingdom throughout time. Since 1401, Denmark has had diplomatic connections with the United Kingdom with only a few shorter exceptions.
References: Marquard, Emil (1952): Danske Gesandter og Gesandtskabspersonale indtil 1914. Published by Rigsarkivet, Copenhagen. In commission at Ejnar Munksgaards Forlag. Stampe, T. R.: Fortegnelse over det Kongelige Udenlandske Departements og Udenrigsministeriets Chefer, Directeurer, og Secretarier, siden førstnævntes Adskillelse fra det Kongelig Tydske Cancellie, Aar 1771,- samt over de hos fremmede Magter, de frie Rigsstæder, Hansestæderne, og ved forskjellige Kongresser accrediterede Kongelige diplomatiske Agenter og deres Secretairer fra Aar 1699 indtil 1835& seqv. Forwarded by the Ministry of Foreign Affairs of Denmark's archive. Ministry of Foreign Affairs of Denmark: The Embassy in London's Collection of Ambassadors and Diplomatic Representatives (photographs and years).