Townsend Harris (October 3, 1804 – February 25, 1878) was an American diplomat best known as the first U.S. Consul General to Japan and the negotiator of the Treaty of Amity and Commerce (Harris Treaty) in 1858. Born in New York, he had a background in business and education before entering diplomacy. Arriving in Japan in 1856, he skillfully navigated the isolationist Tokugawa shogunate, securing trade ports and diplomatic relations. His efforts opened Japan to the West and are considered pivotal in modernizing the country. Harris is remembered as a key figure in early U.S.-Japan relations.