Shinagawa Tadamichi (1841 - 1891) was a Japanese diplomat active in Japan and China during the second half of the 19th century. Tadamichi was Japan's first Consul-General in Shanghai, China. The Sino-Japanese Friendship Treaty (Sino-Japanese Amity Regulations) established formal diplomatic relations between China and Meiji Japan in 1871. One year later, on January 29 of 1872, the Meiji government opened an embassy in Beijing, and a consulate in Shanghai. Shinagawa Tadamichi was appointed to be the first Japanese Consul-General of Shanghai.