Martine Baay-Timmerman (born 16 January 1958) is a Dutch politician.

She left the House of Representatives due to health issues and was replaced by Henk Krol.

Baay-Timmerman studied law at the Vrije Universiteit in Amsterdam, she later worked as a lawyer for twelve years.

[1] When House of Representatives member Henk Krol resigned on 4 October 2013, Baay-Timmerman, as first candidate on the list, was likely to become his successor.

[3] In December 2014 it became clear that Baay-Timmerman would not return do the House of Representatives as she needed more time to recuperate from breast cancer.