Yong Poovorawan (Thai: ยง ภู่วรวรรณ; born 5 November 1950) is a professor of pediatrics at the Faculty of Medicine of Chulalongkorn University in Bangkok, Thailand.

[2] Yong trained in pediatrics at the Chulalongkorn University Faculty of Medicine and completed board certification by the Medical Council of Thailand in 1978.

He was subsequently accepted as a faculty member, and received a research fellowship grant at the hepatology department at King's College Hospital Medical School during 1983–84.

[4] He is the author or co-author of over 400 publications in the fields of gastroenterology, hepatology, and virology indexed by the PubMed database,[5] with about 20,000 citations and an h-index of 65 as calculated by Google Scholar.

Yong is widely recognized for his work on genetic sequencing and detection of the H5N1 avian influenza virus in Thailand, which saw outbreaks beginning in 2004, and is regarded as the national expert on the subject.