Simon Tay Seong Chee (Chinese: 戴尚志; pinyin: Dài Shàngzhì) is a Singaporean lawyer and legal academic who served as a Nominated Member of Parliament between 1997 and 2003.

During his time as an undergraduate, Tay served as the president of the NUS Students' Union for three terms.

[5] During his time as a Nominated Member of Parliament (NMP), Tay focused on issues relating to civil society, environment and human rights.

The motion appealed for the government to do more to help control and prevent fires in Indonesia, which impacted Singapore with haze pollution, and affected the region's environment, human health and economic activity.

[11] In 2006, he received the Public Service Medal (Pingat Bakti Masyarakat, PBM) from the Singapore government, a National Day Award.

[11] Tay is currently associate professor of law at the National University of Singapore, Chairman of the Singapore Institute of International Affairs (an independent think tank)[1] and Senior Consultant at WongPartnership LLP, a leading Asian law firm.

[17] Tay writes fortnightly commentaries in TODAY, a Singaporean newspaper, and monthly columns in The Peak Singapore, a lifestyle magazine title.

His 2009 non-fiction book Asia Alone: The Dangerous Post-Crisis Divide from America was reviewed by The Economist and The Financial Times.