Eng Chhai Eang (Khmer: អេង ឆៃអ៊ាង born November 10, 1965) is a Cambodian politician. He is currently the co-vice president of the Cambodia National Rescue Party. He was a member of the Parliament of Cambodia and was the Secretary General of Sam Rainsy Party (1999–2005 & 2007–2009). He used to serve as a Special Secretary to Sam Rainsy the Minister of Economic and Finance (1993–1994). He was the Founder of Khmer Youth Voice (សម្លេងយុវជនខ្មែរ) newspaper. He was a member of Youth Movement of FUNCINPEC. He graduated from University of Health Sciences (Cambodia).