Abruzzi, Luigi Amadeo Guiseppe Maria Ferdinando Francesco di (1873–1933)

Italian explorer and sailor. He climbed Mount St Elias in Alaska in 1897, reached a record northern latitude, 86° 34'N on his Arctic expedition of 1899–1900, ascended the highest peaks of Mount Ruwenzori in central Africa in 1906, and climbed to 7,498 m/24,743 ft on the Karakoram range in central Asia in 1909.

Abruzzi was born in Madrid, son of Amadeo, Duke of Aosta. He commanded an Italian squadron during the Tripolitan war of 1912. In 1913 he was made commander of the Italian navy, and assumed active command in 1915 when Italy intervened in World War I. He retired in 1917 after a disagreement with his staff.

His writings include The Ascent of Mount St Elias 1900, Farther North than Nansen 1901, On the Polar Star in the Arctic Sea 1903, and Ruwenzori 1908.