David Lam Tzit-yuen (Chinese: 林哲玄) is a Hong Kong surgeon and politician who is the elected Legislative Council member for Medical and Health Services.

[1] In September 2022, Lam was removed of his status of being an international Fellow of the American College of Surgeons due to Lam being a national of China, saying "The American College of Surgeons regrets to inform you that it is not able to continue offering Fellowship or other membership status to residents of the People's Republic of China.

[2] Lam also criticized the organization, saying "It is utmost hypocrisy to sugarcoat sanctions as complying with the laws.

"[4] However, Lam said that those coming from mainland China should be exempt from the PCR test at the border.

[4] On 28 December 2022, against Lam's opinion, the government announced that PCR tests for inbound arrivals would no longer be required.