Makoto Oniki (鬼木 誠, Makoto Oniki, born 7 December 1963) is a Japanese politician from the Constitutional Democratic Party.^[1]

Born in 1963 in Tsukushino, Fukuoka Prefecture.

Oniki became a labor activist and worked at the Fukuoka Teachers' Union.^[2]

Oniki has been active in the All-Japan Prefectural and Municipal Workers' Union since 2014. He became Director-General of the Organizational Countermeasures Bureau of the Central Headquarters and served as Director-General of the General Public Private Bureau and Secretary-General.^[2]

In 2022, he ran and won the House of Councillors election from the National proportional representation block.^[3]

Oniki belongs to Justice Committee, Committee on Oversight of Administration, and Special Committee on Disasters.^[4][5]