- Born: 1865/1/17
- Died: 1942/6/2
- Japanese: 内田定槌 (Uchida Sadatsuchi)
Uchida Sadatsuchi was a diplomat with the Imperial Japanese Ministry of Foreign Affairs. He was born in Kokura (modern-day Fukuoka prefecture), and attended Tokyo Imperial University. He entered the Ministry in 1889 and served in Shanghai and as Consul in Seoul (from 1893) before being moved to New York in 1896. He became Consul General in NY in 1902, and worked with Ambassador Komura Jutarô at the 1905 Treaty of Portsmouth which ended the Russo-Japanese War. He later served in Argentina, Brazil, Denmark, Sweden and Turkey (becoming Ambassador to Turkey in 1923) before retiring in 1924.
- "Uchida Sadatsuchi." Nihon jinmei daijiten 日本人名大辞典. Kodansha, 2009.