Koshiro Ueki (植木 庚子郎, Ueki Kōshirō, 28 January 1900 – 11 March 1980) was a Japanese politician. He served as justice minister for two terms and as finance minister.
Following graduation Ueki began his career at the ministry of finance.[1] During World War II he was the head of budget bureau.[2][3] In 1945, he became the head of monopoly bureau at the ministry.[1]
He was elected to the house of representatives in 1952.[1] He was a member of the Liberal Democratic Party.[2] At the end of the 1950s he was among the Japanese house members union to promote Japan - China trade.[4] He served as justice minister for two terms.[1] He was first appointed to the post on 8 December 1960, replacing Tetsuzo Kojima.[1] Ueki's term ended on 18 Jul 1962 and was replaced by Kunio Nakagaki as justice minister.
Ueki was appointed president of Sagami Women's University in 1968.[1] He again served as justice minister for a brief period between February and July 1971. On 7 July 1972 he was appointed minister of finance to the cabinet led by Prime MinisterKakuei Tanaka, replacing Mikio Mizuta in the post.[2] At age 72 Ueki was the oldest member of the Tanaka cabinet.[5] His term ended on 22 December 1972 when Kiichi Aichi was appointed to the post.