(As of March 2022)
UMETANI Mamoru
- In-House Group: The Constitutional Democratic Party of Japan and the Independent
- Elected: Niigata 6th District (single-seat constituency), once
- Born: 9 December 1973, Bunkyo, Tokyo
- Education:
- School of Education, Waseda University
- Career:
- Member, Niigata Prefectural Assembly
- Secretary for Policy/Legislative Affairs to a Member of the National Diet