Moichi Miyazaki (宮崎 茂一, Miyazaki Moichi, February 15, 1917 – February 16, 2004) was a Japanese politician, a member of the National Diet and a Cabinet member. He was a bureaucrat of Home Ministry, Economic Planning Agency, and Ministry of Transport before he became a politician.^[1][2]

He was born in Taniyama (now part of Kagoshima City), Kagoshima Prefecture.^[3] In 1933, he finished Kagoshima Prefectural Daini-Kagoshima Middle School (now Kagoshima Prefectural Konan High School) in the fourth grade of five-year course to advance on to Seventh Higher School Zoshikan (now Kagoshima University).^[1] He graduated from Seventh Higher School Zoshikan in 1936^[1] and from Department of Civil Engineering, Faculty of Engineering, Tokyo Imperial University (now University of Tokyo) in 1939.^[1][2] In the year of his university graduation, he entered the Civil Engineering Bureau of Home Ministry.^[1][2] He served as the Director-Generals of some bureaus of Ministry of Transport in the 1960's.^[1]

He was first elected to a member of the House of Representatives of the National Diet in 1972^[1] and was elected 8 times. He served as Director General of the Science and Technology Agency in the Cabinet of Noboru Takeshita from December 27, 1988 to June 2, 1989.^[4] He also served as the Chairs of the Committee on Judicial Affairs and the Committee on Communications of the House of Representatives.^[2]