Yūko Ōtsubaki (Japanese: 大椿 裕子, Hepburn: Ōtsubaki Yūko; born August 14, 1973) is a Japanese politician and labor activist. She was a member of the House of Councillors from 2023 to 2025, representing the Social Democratic Party (SDP), and served as a vice-chair of the party until 2026. She previously served as the chairperson of the Osaka Educational Workers' Union. She is married; her spouse is a Catalan from Barcelona.
Source: “Yūko Ōtsubaki”, English Wikipedia (CC BY-SA 4.0), excerpt