Count Uchida Kōsai (内田 康哉, 17 November 1865 – 12 March 1936) was a statesman, diplomat and interim prime minister, active in Meiji, Taishō and Shōwa period Japan.Appointed as ambassador to the Empire of Russia just before the Bolshevik Revolution, Uchida returned to Japan to serve as Foreign Minister again from 1918 to 1923 under the Hara, Takahashi, and Katō administrations.He was appointed to the House of Peers in the Diet of Japan in 1930, and became President of the South Manchuria Railway company in 1931.He was featured on the cover of Time, 5 September 1932 edition, which also contained an article on his stance vis-à-vis the League of Nations.Uchida Kōsai was portrayed by Ken'ichi Miura [ja] in the 2006 Chinese television series Princess Der Ling.