Renhō

, known mononymously as Renhō, is a Japanese politician and former journalist who has served as a member of the House of Councillors from 2004 to 2024, and again since 2025. She was the leader of the now-defunct major opposition party, the Democratic Party from 2016 to 2017. Renhō was a candidate for the 2024 Tokyo gubernatorial election with the support of the Constitutional Democratic Party (CDP), Japanese Communist Party (JCP), and the Social Democratic Party (SDP), but was defeated by incumbent Yuriko Koike, placing third behind Shinji Ishimaru.

== Early and personal life== thumb|left|Renhō in 2008 Renhō was born Hsieh Lien-fang () in Tokyo to a Japanese mother Keiko Saitō (斉藤圭子 Saitō Keiko) and Han Taiwanese father Hsieh Ge-hsin (謝哲信 Xiè Zhéxìn). She has two brothers: one is a year older, the other is two years younger. Mark Chen, a Taiwanese politician and former Secretary-General of the Office of the President of the Republic of China, is a distant relative of hers. She studied at Aoyama Gakuin in Tokyo from kindergarten through university. She enrolled in the law faculty of Aoyama Gakuin University and graduated in 1990 with the B.L. degree in Public Law.