Usaburō Chisaki II (Japanese: 地崎宇三郎 (二代)) (January 2, 1897 – June 29, 1951) was a Japanese businessman and politician.
In 1939, he became vice president of the Sapporo Civil Engineering and Construction Association, and in 1941, vice board chairman of the Hokkaido Civil Engineering and Construction Association.
During 1946 Japanese general election, he ran a campaign for and won Hokkaido's 1st district.
The Hokkaido Political League would work to form a coalition with the Japan Progressive Party (later the Democratic Party), finding itself a key figure in the formation of the Katayama Cabinet.
Eventually Chisaki would become chief secretary of the Democratic Party, but just five days after appointment he would be purged as a result of the Allied Occupation of Japan From 1947 until his death, he lived in Tokyo as chairman of Chizaki Group.