Antonio Chiaramonte Bordonaro was an Italian diplomat, General Secretary of the Ministry of Foreign Affairs in 1926-1927. Antonio Chiaramonte Bordonaro was born of a noble Sicilian family, owner of the Castle of Falconara, on the Gulf of Gela, in the territory of the town of Butera. He graduated in 1898 in Florence in the faculty of political science "Cesare Alfieri" and, the following year, he entered the diplomatic career.
In 1900 it was destined to Trieste, then to Budapest, Bern and St. Petersburg. In 1913 he was sent to Berlin as liaison secretary and, in 1914, he was promoted to embassy counselor. On January 4, 1920, with the degree of special envoy and plenipotentiary minister, Chiaramonte Bordonaro was assigned to Prague as an Italian representative to Czechoslovakia, until 1924 and then to Vienna, until 1926, in both cases as ambassador.
On April 6, 1926, following the resignation of Salvatore Contarini, Chiaramonte Bordonaro was appointed Secretary General of the Ministry of Foreign Affairs, the most important position of Italian diplomacy. He held office for only ten months, until he was suppressed by fascism.
On 6 February 1927, Bordonaro was appointed ambassador to London and died in office on 8 June 1932.