Walter Woon

Walter Woon Cheong Ming SC (born 12 September 1956) is a Singaporean lawyer who served as the fifth attorney-general of Singapore between 2008 and 2010. He is currently an Emeritus Professor at the National University of Singapore Faculty of Law, Lee Kong Chian Visiting professor at the Singapore Management University Yong Pung How School of Law, and the dean of the RHT Legal Training Institute.

A lawyer by profession, Woon specialises in company law and securities regulation. Having graduated from the National University of Singapore and St. John's College, Cambridge, Woon joined the teaching staff of the National University of Singapore Faculty of Law in 1981 and subsequently served as Sub-Dean and Vice-Dean. He was appointed Professor of Law in 1999. He had also served as the legal adviser to the president of Singapore and the Council of Presidential Advisers between 1995 and 1997.

Woon was a Nominated Member of Parliament between 1992 and 1996. He became the first Member of Parliament since 1965 to have a Private Member's Bill become a public law in Singapore—the Maintenance of Parents Act, which was passed in 1995.

From 1997 to 2006, Woon served in a number of diplomatic capacities, including Singapore Ambassador to Germany (1998–2003) with an accreditation to Greece (2000–2003), and Singapore Ambassador to Belgium, with concurrent accreditation to the European Union, the Netherlands, Luxembourg and the Holy See.

Woon was appointed Second Solicitor-General in 2006 and subsequently Solicitor-General in 2007. He served as Attorney-General between 2008 and 2010.