Sir Michael Henry Herbert, KCMG, CB, PC (25 June 1857 – 30 September 1903), was a British diplomat and ambassador.

[5] Herbert ended his career as the second British Ambassador to the United States, in succession to Lord Pauncefote, who had died in office in May 1902.

[5][6] He was appointed a Knight Commander of the Order of St Michael and St George (KCMG) in the 1902 Coronation Honours list published on 26 June 1902,[7][8] and received the knighthood in a private audience with King Edward VII on board HMY Victoria and Albert on 2 August 1902.

[9] He was sworn a member of the Privy Council at Buckingham Palace on 11 August 1902,[10] before leaving Liverpool for Washington in late September.

[11] As ambassador, he created with the U.S. Secretary of State John Hay a joint commission to establish the border between the U.S. district of Alaska and British interests in the Dominion of Canada, where gold had been found in the 1890s, which resulted in the definitive Alaskan boundary treaty of 1903.