Lui Tuck Yew (???; born 16 August 1961) is a former Singaporean politician and the current Ambassador of Singapore to China.
He previously served as the Ambassador of Singapore to Japan.Prior to his retirement from politics on 11 August 2015, he was the country's Minister for Transport and Second Minister for Defence.
He previously served as the Minister for Information, Communications and the Arts from 2010 to 2011.
Lui was formerly an officer in the Republic of Singapore Navy (RSN), where he rose to the rank of Rear-Admiral (RADM).
He took over from RADM Richard Lim Cherng Yih and served as Singapore's Chief of Navy from 1999 to 2003.