- Source: Kiyoshi Adachi (politician)
Kiyoshi Adachi (born December 14, 1969, in Ōita Prefecture, Japan) is a Japanese politician who served as a member of the House of Councillors of Japan from 2019 until his resignation in 2023 to run for Governor of Ōita Prefecture. He represented the Ōita at-large district as an independent.
He was a member of the Committee on Financial Affairs.