Ker Sin Tze (Chinese: 柯新治; pinyin: Kē Xīn Zhì) is a former Singaporean politician.

[3] In the 1997 General Election, the PAP team faced opponents from the SDP and won 67.02% of the votes.

[1] Ker was the chairman of the Aljunied Town Council (Feb 1995) and the Government Parliamentary Committees for Home Affairs and Law (Aug 1995–1996).

[6] From July to December 2007, Ker was the special adviser to Minister for Foreign Affairs George Yeo, who was his Aljunied GRC teammate.

[5] Ker presently serves as adjunct professor at Lee Kuan Yew School of Public Policy, National University of Singapore,[7] and at the Public Policy and Global Affairs programme of Nanyang Technological University.