thumb|Tomb of Yu Hung-chun in Yangmingshan Cemetery, Taipei.
Yu Hung-chun (; 4 January 1898 – 1 June 1960), also known as O. K. Yui, was a Chinese political figure who served as mayor of Shanghai, chairman of the Taiwan Provincial Government and Premier of the Republic of China. He graduated from Saint Johns University in Shanghai, having majored in English Literature. He was later appointed Mayor of Shanghai. During World War II he negotiated unsuccessfully with the Japanese not to expand military conflict. When the ROC government moved to Chungking, he was appointed Director of Central Trust, Deputy minister of Foreign Affairs, and later became Minister of Department of Treasury. Yu replaced H.H. Kung as minister of finance in November 1944, following H.H. Kung's removal for corruption. Immediately before he replaced Kung, Yu served as vice minister of finance.
Chronology
- 23 March 1937 – the Executive Yuan resolved that Yu Hung-chun may act as mayor of Shanghai.
- 27 July 1937 – the Nationalist Government appointed Yu Hung-chun as mayor of Shanghai.
- 30 June 1958 – resigned as the president of the Executive Yuan.(Premier of the Republic of China)
- 1958 – appointed President of Central Bank.