Eugene Tan Kheng Boon (born 18 February 1970) is an associate professor of law at Singapore Management University. Tan served as a Nominated Member of Parliament between 14 February 2012 and 13 August 2014. Tan regularly writes for several news providers in Singapore. He is also quoted regularly in all news sources within Singapore, and in major international press, particularly on matters related to domestic politics, constitutional law and elections.