Chen Wei-jao (Chinese: 陳維昭; pinyin: Chén Wéizhāo; Pe̍h-ōe-jī: Tân Ûi-chiau; born 15 November 1939) is a Taiwanese surgeon and academic administrator.

Chen was born in Taichū Prefecture on 15 November 1939. He studied medicine at National Taiwan University (NTU) and completed his residency at National Taiwan University Hospital. He became a lecturer at NTU and continued postgraduate study. Chen earned a Doctor of Medical Science in 1973 at Tohoku University in Japan before completing a master's in public health at Johns Hopkins University in 1989.^[1][2] Chen was the lead surgeon in a groundbreaking September 1979 operation to separate conjoined twins. The twins were born with three legs between them and joined at the hip. The surgery was broadcast live on television.^[3] It was also the fourth successful separation of conjoined twins ever performed.^[4][5] Chen was named deputy director of the NTU Hospital in 1987 and became dean of the NTU college of medicine in 1991.^[1]

Chen was the first elected president of National Taiwan University,^[2][6] and took office on 22 June 1993.^[7] As university president, Chen issued formal apologies for NTU's role in White Terror political persecution, namely the 6 April incident [zh] of 1949 that led to the arrests of several student dissidents (in 2001),^[8] and the 1974 National Taiwan University Philosophy Department incident [zh], which resulted in the dismissal of several faculty members accused of communist leanings (in 2003).^[9] Due to the 2003 SARS outbreak, Chen presided over NTU's first online commencement ceremony that year.^[10] In May 2004, Chen announced that the Gallery of University History was to be established in the old university library.^[11] He attended its dedication in June 2005 before stepping down as president.^[12] The Ministry of Education named Lee Si-chen Chen's successor as university president in June 2005.^[13] Chen was considered a candidate for vice president of the Republic of China in Ma Ying-jeou's 2008 presidential campaign.^[14] The Kuomintang confirmed Ma and Vincent Siew as its ticket. Chen later led the Institute for Biotechnology and Medicine Industry.^[15] Chen was convener of the presidential selection committee that named Kuan Chung-ming as NTU president in January 2018.^[16] Despite alleged conflicts of interest between committee members and Kuan,^[17] Chen supported Kuan selection on grounds of university autonomy,^[18] and the Ministry of Education confirmed Kaun's appointment in December 2018.