| Yu Hung-chun | |
| Nationality: | Republic of China |
| Office1: | Premier of the Republic of China |
| Term1: | 7 June 1954 – 30 June 1958 |
| President1: | Chiang Kai-shek |
| Vicepremier1: | Huang Shao-ku |
| Predecessor1: | Chen Cheng |
| Successor1: | Chen Cheng |
| Office2: | 4th Chairman of the Taiwan Provincial Government |
| Term2: | 16 April 1953 – 7 June 1954 |
| Office3: | Mayor of Shanghai |
| Term3: | April 1937 – November 1937 |
| Predecessor3: | Wu Tiecheng |
| Birth Date: | 1898 1, df=yes |
| Death Place: | Taipei, Taiwan |
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 as 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 as 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.[1] Immediately before he replaced Kung, Yu served as vice minister of finance.Later he was appointed as Central Bank and started moving the gold reserve to Taiwan from China to keep it away from the advancing communists. He was COO of Central, Farmer and Communication Banks, In 1954 he was appointed as Governor of Taiwan Province. Then he was in charge of Executive Yuan from 1954–1958. Yu offered to resign when an Anti-American demonstration at US Embassy went out of control. Later he refused to appeal at court resigned and went back to Central Bank as an executive. In 1960 he died of an asthma attack at age 62.