Sadatsuchi Uchida (内田 定槌, Uchida Sadatsuchi, born in February 12, 1865 in modern-day Kokura, Fukuoka Prefecture – June 2, 1942) was a Japanese diplomat. Assigned to postings in the United States and Brazil, Uchida was instrumental in facilitating improved Japanese trade relations and emigration to both countries. Uchida also served as the first consul in Korea.[1]