Frank Hsieh Chang-ting is a Taiwanese politician and former defense attorney who is the current Ambassador of Taiwan to Japan since 2016. A cofounder of the Democratic Progressive Party, he has served on the Taipei City Council, the Legislative Yuan, as the mayor of Kaohsiung City, and as the Premier of the Executive Yuan under president Chen Shui-bian. Hsieh was the DPP nominee in the 2008 presidential election and was defeated by Ma Ying-jeou.

Taipei Economic and Cultural Representative Office in Japan represents the interests of Taiwan in Japan, functioning as a de facto embassy in the absence of diplomatic relations. It is operated by the Taiwan–Japan Relations Association, a parastatal agency of the government.