Frederick Hamilton-Temple-Blackwood 1st Marquess of Dufferin and Ava
 Frederick Hamilton-Temple-Blackwood 1st Marquess of Dufferin and Ava KP GCB GCSI GCMG GCIE PC (21 June 1826 – 12 February 1902) was a British public servant and prominent member of Victorian society. In his youth he was a popular figure in the court of Queen Victoria and became well known to the public after publishing a best-selling account of his travels in the North Atlantic.He is now best known as one of the most successful diplomats of his time.